NOTE:  THIS IS AN EXTRACT FROM A USGS DOCUMENT.  THE ORIGINAL DOCUMENT WAS OBTAINED FROM A USGS WEB SITE.




              APPENDIX D.--DLG Attribute Codes



Valid Minor Codes for the Coincident Feature Parameter

    Code         Base Category

    0002         Hypsography

    0005         Hydrography

    0007         Surface Cover

    0009         Boundary

    0015         Survey Control

                 Transportation Systems

    0017         Roads and Trails

    0018         Railroads

    0019         Pipelines, Transmission Lines, Miscellaneous
                   Transportation

    0020         Manmade Features




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Hypsography               Feature identification    Nodes                    020     NONE    

                                                    Areas                    020     0100    Void area

                                                    Lines                    020     0200    Contour (index or intermediate)
                                                                                     0201    Carrying contour
                                                                                     0202    Supplementary contour
                                                                                     0203    Continuation contour
                                                                                     0204    Amended contour
                                                                                     0205    Bathymetric contour
                                                                                    *0206    Depth curve
                                                                                     0207    Watershed divides
                                                                                     0208    Closure line

                                                    Points                   020     0300    Spot elevation, less than
                                                     (degenerate lines)                       third order,

                                                                             020     0301    Spot elevation, less than
                                                                                              third order, not at ground
                                                                                              level.

                                                    Multiple element         020     NONE    
                                                     types

                          Descriptive               Multiple element         020     0600-   Decimal fractions of feet
                                                     types                           0609     or meters
                                                                                     0610    Approximate
                                                                                     0611    Depression
                                                                                     0612    Glacier or snow field
                                                                                     0613    Underwater
                                                                                     0614    Best estimate of contour
                                                                                              elevation value

                                                                             020     0000    Photorevised feature
__________________________________________________________________________________________________________________________________
* denotes a code which is no longer being used to encode features, but which may appear in older files.




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Hypsography               Parameter                 Multiple element         02N     ----   Elevation in whole feet or
 (cont'd.)                                           types                                   meters, right-justified
                                                                             026     00--   Major category associated
                                                                                             with a spot height, not at
                                                                                             ground elevation.
                                                                             029     00--   Coincident feature
__________________________________________________________________________________________________________________________________
Hydrography               Feature identification    Nodes                    050     0001   Upper origin of stream
                                                                                     0002   Upper origin of stream at water body
                                                                                     0003   Sink, channel no longer evident
                                                                                     0004   Stream entering water body
                                                                                     0005   Steam exiting water body

                                                    Areas                    050     0100   Alkali flat
                                                                                     0101   Reservoir 
                                                                                     0102   Covered reservoir
                                                                                     0103   Glacier or permanent snowfield
                                                                                     0104   Salt evaporator
                                                                                     0105   Inundation area
                                                                                     0106   Fish hatchery or farm
                                                                                     0107   Industrial water impoundment
                                                                                     0108   Area to be submerged
                                                                                     0109   Sewage disposal pond or 
                                                                                             filtration beds
                                                                                     0110   Tailings pond
                                                                                     0111   Marsh, wetland, swamp, bog
                                                                                     0112   Mangrove area
                                                                                     0113   Rice field
                                                                                     0114   Cranberry bog
                                                                                     0115   Flats (tidal, mud, sand, gravel)
                                                                                     0116   Bays, estuaries, gulfs, oceans, seas
                                                                                     0117   Shoal 
                                                                                     0118   Soda evaporator
                                                                                     0119   Duck Pond
                                                                                     0120   Void area




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Hydrography               Feature identification    Lines                    050     0200   Shoreline
 (cont'd.)       (cont'd.)                                                           0201   Manmade shoreline
                                                                                     0202   Closure line
                                                                                     0203   Indefinite shoreline
                                                                                     0204   Apparent limit
                                                                                     0205   Outline of a Carolina bay
                                                                                     0206   Danger Curve
                                                                                     0207   Apparent shoreline

                                                    Points                   050     0300   Spring
                                                                                     0301   Non-flowing well
                                                                                     0302   Flowing well
                                                                                     0303   Riser
                                                                                     0304   Geyser
                                                                                     0305   Windmill
                                                                                     0306   Cistern

                                                    Multiple element         050     0400   Rapids
                                                     types                           0401   Falls
                                                                                     0402   Gravel pit or quarry filled with water
                                                                                     0403   Gaging station
                                                                                     0404   Pumping station
                                                                                     0405   Water intake
                                                                                     0406   Dam or weir
                                                                                     0407   Canal lock or sluice gate
                                                                                     0408   Spillway
                                                                                     0409   Gate (flood, tidal, head, check)
                                                                                     0410   Rock 
                                                                                     0411   Crevasse
                                                                                     0412   Stream
                                                                                     0413   Braided stream
                                                                                     0414   Ditch or canal
                                                                                     0415   Aqueduct
                                                                                     0416   Flume
                                                                                     0417   Penstock
                                                                                     0418   Siphon
                                                                                     0419   Channel in water area




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Hydrography               Feature identification    Multiple element         050     0420   Wash or ephemeral drain
 (cont'd.)                 (cont'd.)                 types (cont'd.)                 0421   Lake or pond
                                                                                     0422   Coral reef
                                                                                     0423   Sand in open water
                                                                                     0424   Spoil area
                                                                                     0425   Fish ladders
                                                                                     0426   Holiday area

                          Descriptive               Multiple element         050     0601   Underground
                                                     types                           0602   Overpassing
                                                                                     0603   Elevated
                                                                                     0604   Tunnel
                                                                                     0605   Right bank
                                                                                     0606   Left bank
                                                                                     0607   Under construction
                                                                                     0608   Salt
                                                                                     0609   Unsurveyed
                                                                                     0610   Intermittent
                                                                                     0611   Abandoned or discontinued
                                                                                     0612   Submerged or sunken
                                                                                    *0613   Wooded
                                                                                     0614   Dry
                                                                                     0615   Mineral or hot (sulphur, alkali, etc.)
                                                                                     0616   Navigable, transportation
                                                                                     0617   Underpassing
                                                                                     0618   Earthen construction
                                                                                     0619   Interpolated elevation
                                                                                     0621-  Decimal fractions of feet or meters
                                                                                     0629   

                                                                             050     0000   Photorevised feature

                          Parameter                 Multiple element         05N     ----   Water surface elevation, actual or
                                                     types                                   interpolated, N=1 for feet, 
                                                                                             2 for meters, 6 for feet below datum,
                                                                                             and 7 for meters below datum.
                                                                                             Elevation value in four spaces,
                                                                                             right justified.




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Hydrography               Parameter (cont'd.)       Multiple element         053     0---   Angle of clockwise rotation (nearest
 (cont'd.)                                           types (cont'd)                          whole degree)
                                                                             055     ----   River mile, value in four spaces, 
                                                                                             right justified
                                                                             058     0000   Best estimate of classification
                                                                                             or position 
                                                                             059     00--   Coincident feature
__________________________________________________________________________________________________________________________________
Boundaries                Feature identification    Nodes                    090     0001   Monumented point on a boundary

                                                    Areas                    090     0100   Civil township, district, precinct,
                                                                                             or barrio 
                                                                                     0101   Incorporated city, village, town,
                                                                                             borough, or hamlet
                                                                                     0103   National park, monument, lakeshore, 
                                                                                             seashore, parkway, battlefield, or 
                                                                                             recreation area
                                                                                     0104   National forest or grassland
                                                                                     0105   National wildlife refuge, game 
                                                                                             preserve, or fish hatchery
                                                                                     0106   National scenic waterway, riverway,
                                                                                             wild and scenic river, or 
                                                                                             wilderness area
                                                                                     0107   Indian reservation
                                                                                     0108   Military reservation
                                                                                     0110   Federal prison
                                                                                     0111   Miscellaneous Federal reservation
                                                                                     0129   Miscellaneous State reservation
                                                                                     0130   State park, recreation area
                                                                                             arboretum, or lake
                                                                                     0131   State wildlife refuge, game preserve,
                                                                                             or fish hatchery
                                                                                     0132   State forest or grassland
                                                                                     0133   State prison
                                                                                     0134   County game preserve




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Boundaries (cont'd.)      Feature identification    Areas (cont'd.)          090     0150   Large park (city, county, or private)
                           (cont'd.)                                                 0151   Small park (city, county, or private)
                                                                                     0197   Canada
                                                                                     0198   Mexico
                                                                                     0199   Open water

                                                    Lines                    090     0201   Indefinite (or approximate) boundary
                                                                                     0202   Disputed boundary
                                                                                     0203   Historical line
                                                                                     0204   Boundary closure claim

                                                    Points                   090     0301   Reference monuments for boundary
                                                     (degenerate lines)                      points

                                                    Multiple element         090     NONE
                                                     types

                          Descriptive               Multiple element         090     0000   Photorevised feature
                                                     types

                          Parameter                 Multiple element         091     00--   State FIPS code
                                                     types                   092     0---   County or county equivalent FIPS code
                                                                             095     ----   Monument number
                                                                             096     XXYY   Alphabetic portion of any monument 
                                                                                             number substitute numeric equivalent
                                                                                             of alphabetic for XX and for YY ass
                                                                                             follows:  00 blank, 01 = A, 02 = B,
                                                                                             03 = C, 04 = D, 05 = E, 06 = F,
                                                                                             07 = G, 08 = H, 09 = I, 10 = J,
                                                                                             11 = K, 12 = L, 13 = M, 14 = N,
                                                                                             15 = O, 16 = P, 17 = Q, 18 = R,
                                                                                             19 = S, 20 = T, 21 = U, 22 = V,
                                                                                             23 = W, 24 = X, 25 = Y, 26 = Z.
                                                                             098     0000   Best estimate of classification
                                                                                             or position.
                                                                             099     00--   Coincident feature




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation, Roads,    Feature identification    Nodes                    170     0001   Bridge abutment
  and Trails                                                                         0002   Tunnel portal
                                                                                     0004   Gate
                                                                                     0005   Cul-de-sac
                                                                                     0006   Dead end
                                                                                     0007   Drawbridge

                                                                             170     0100   Void area

                                 Lines                                       170     0201   Primary route, class 1, symbol
                                                                                             undivided
                                                                                     0202   Primary route, class 1, symbol
                                                                                             divided by centerline
                                                                                     0203   Primary route, class 1, divided,
                                                                                             lanes separated
                                                                                     0204   Primary route, class 1, one way, other
                                                                                             than divided highway
                                                                                     0205   Secondary route, class 2, symbol
                                                                                             undivided 
                                                                                     0206   Secondary route, class 2, symbol
                                                                                             divided by centerline
                                                                                     0207   Secondary route, class 2, symbol
                                                                                             divided, lanes separated
                                                                                     0208   Secondary route, class 2, one way,
                                                                                             other then divided highway
                                                                                     0209   Road or street, class 3
                                                                                     0210   Road or street, class 4
                                                                                     0211   Trail, class 5, other than four-wheel 
                                                                                             drive vehicle
                                                                                     0212   Trail, class 5, four-wheel-drive
                                                                                             vehicle
                                                                                     0213   Footbridge
                                                                                     0214   Ferry crossing
                                                                                     0215   Perimeter of parking area
                                                                                     0216   Arbitrary extension of line (join or 
                                                                                             closure)




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation, Roads,    Feature identification    Lines (cont'd.)                  0217   Road or street, class 3, symbol
  and trails (cont'd.)            (cont'd.)                                                  divided by centerline
                                                                                     0218   Road or street, class 3, divided
                                                                                             lanes separated
                                                                                     0221   Road in street, class 3, one way
                                                                                     0222   Road in transition

                                                    Points                           NONE   
                                                     (degenerate lines)

                                                    Multiple element         170     0401   Traffic circle
                                                     type                            0402   Cloverleaf or interchange
                                                                                     0403   Toll gate, toll plaza or perimeter or 
                                                                                             toll plaza
                                                                                     0404   Weigh station
                                                                                     0405   Nonstandard section of road
                                                                            *170     0600   Historical

                          Descriptive               Multiple element         170     0601   In tunnel
                                                     types                           0602   Overpassing, on bridge
                                                                                     0603   Under construction, classification
                                                                                             known
                                                                                     0604   Under construction, classification
                                                                                             unknown
                                                                                     0605   Labeled "old railroad grade"
                                                                                     0606   Submerged or in ford
                                                                                     0607   Underpassing
                                                                                    *0608   Limited access
                                                                                     0609   Toll road
                                                                                     0610   Privately operated or controlled
                                                                                             public access
                                                                                     0611   Proposed
                                                                                     0612   Double-decked
                                                                                     0613   In service facility or rest area
                                                                                     0614   Elevated
                                                                                     0615   Bypass route
                                                                                     0616   Alternate route




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation, Roads,    Descriptive               Multiple element         170     0617   Business route
 and trails (cont'd.)      (cont'd.)                 types (cont'd.)                 0618   On drawbridge
                                                                                     0619   Spur
                                                                                     0620   Loop
                                                                                     0621   Connector
                                                                                     0622   Truck route
                                                                                     0650   Road width 46-55 feet, 0.025 inches
                                                                                             at 1:24,000
                                                                                     0651   Road width 56-65 feet, 0.030 inches
                                                                                             at 1:24,000
                                                                                     0652   Road width 66-75 feet, 0.035 inches
                                                                                             at 1:24,000
                                                                                     0653   Road width 76-85 feet, 0.040 inches
                                                                                             at 1:24,000
                                                                                     0654   Road width 86-95 feet, 0.045 inches
                                                                                             at 1:24,000
                                                                                     0655   Road width 96-105 feet, 0.050 inches
                                                                                             at 1:24,000
                                                                                     0656   Road width 106-115 feet, 0.055 inches
                                                                                             at 1:24,000
                                                                                     0657   Road width 116-125 feet, 0.060 inches
                                                                                             at 1:24,000
                                                                                     0658   Road width 126-135 feet, 0.065 inches
                                                                                             at 1:24,000
                                                                                     0659   Road width 136-145 feet, 0.070 inches
                                                                                             at 1:24,000

                                                                             170     0000   Photorevised feature

                          Parameter                 Multiple element         171     ----   Number of lanes
                                                     types                   172     ----   Interstate route number
                                                                             173     ----   U.S. route number
                                                                             174     ----   State route number
                                                                             175     ----   Reservation, park, or military route
                                                                                             number 
                                                                             176     ----   County route




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation, Road,     Parameter (cont'd.)       Multiple element         177     XXYY   Alphabetic portion of any route
 and Trails (cont'd.)                                types (cont'd.)                         number.  Substitute numeric equiva-
                                                                                             lent of alphabetic for XX and for YY
                                                                                             as follows:  00 = blank, 01 = A,
                                                                                             02 = B, 03 = C, 04 = D, 05 = E,
                                                                                             06 = F, 07 = G, 08 = H, 09 = I,
                                                                                             10 = J, 11 = K, 12 = L, 13 = M,
                                                                                             14 = N, 15 = O, 16 = P, 17 = Q,
                                                                                             18 = R, 19 = S, 20 = T, 21 = U,
                                                                                             22 = V, 23 = W, 24 = X, 25 = Y,
                                                                                             26 = Z.
                                                                             178     0000   Best estimate of position or 
                                                                                             classification
                                                                             179     00--   Coincident feature
__________________________________________________________________________________________________________________________________
Transportation,           Feature identification    Nodes                    180     0001   Bridge abutment
  Railroads                                                                          0002   Tunnel portal
                                                                                     0007   Drawbridge

                                                    Areas                    180     0100   Void area

                                                    Lines                    180     0201   Railroad
                                                                                     0202   Railroad in street or road
                                                                                     0204   Carline
                                                                                     0205   Cog railroad, incline railway,
                                                                                             logging tram
                                                                                     0207   Ferry crossing
                                                                                     0208   Railroad siding
                                                                                     0209   Perimeter or limit of yard
                                                                                     0210   Arbitrary line extension
                                                                                     0211   Closure line

                                                    Points                   180     NONE   
                                                     (degenerate lines)

                                                    Multiple element         180     0400   Railroad station, perimeter of
                                                     types                                   station
                                                                                     0401   Turntable
                                                                                     0402   Roundhouse
                                                                            *180     0600   Historical




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation,           Descriptive               Multiple element         180     0601   In tunnel
  Railroads (cont'd.)                                types                           0602   Overpassing, on bridge
                                                                                     0603   Abandoned
                                                                                     0604   Dismantled
                                                                                     0605   Underpassing
                                                                                     0606   Narrow gauge
                                                                                     0607   In snowshed or under structure
                                                                                     0608   Under construction
                                                                                     0609   Elevated 
                                                                                     0610   Rapid transit
                                                                                     0611   On drawbridge
                                                                                     0612   Private 
                                                                                     0613   U.S. Government
                                                                                     0614   Juxtaposition

                                                                             180     0000   Photorevised feature
                          Parameter                 Multiple element         181     ----   Number of tracks
                                                     types                   188     0000   Best estimate of position or 
                                                                                             classification
                                                                             189     00--   Coincident feature
__________________________________________________________________________________________________________________________________
Transportation,           Feature identification    Nodes                    190     0001   End of transmission line at
 Pipelines, Trans-                                                                           power station, substation, or
 mission Lines,                                                                              hydroelectric plant
 Miscellaneous Trans-                                                                0002   End of pipeline at oil or gas
 portation Features                                                                          field
                                                                                     0003   End of pipeline at refinery,
                                                                                             depot, or tank farm

                                                    Areas                    190     0100   Void area

                                                    Lines                    190     0201   Pipeline
                                                                                     0202   Power transmissiion line
                                                                                     0203   Telephone or telegraph line
                                                                                     0204   Aerial tramway, monorail, ski
                                                                                             lift
                                                                                     0205   Arbitrary line extension
                                                                                     0206   Closure line
__________________________________________________________________________________________________________________________________




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
Transportation,           Feature identification    Points                   190     0300   Seaplane anchorage
 Pipelines, Trans-         (cont'd.)                 (degenerate lines)
 mission Lines,
 Miscellaneous Trans-                               Multiple element         190     0400   Power station
 portation Features (cont'd.)                        types                           0401   Substation
                                                                                     0402   Hydroelectric Plant
                                                                                     0403   Landing strip, airport,
                                                                                             perimeter of airport
                                                                                     0404   Heliport, perimeter of heliport
                                                                                     0405   Launch complex, perimeter of 
                                                                                             launch complex
                                                                                     0406   Pumping station (other than 
                                                                                             water)
                                                                                     0407   Seaplane ramp or landing area
                                                                                     0408   Measuring station

                          Descriptive               Multiple element         190     0600   Underground
                                                     types                           0601   Under construction
                                                                                     0602   Abandoned
                                                                                     0603   Above ground
                                                                                     0604   Labeled "closed"
                                                                                     0605   Unimproved, loose surface
                                                                                     0606   Submerged 
                                                                                     0607   Nuclear

                                                                             190     0000   Photorevised feature

                          Parameters                Multiple element         193     0---   Angle of clockwise rotation
                                                     types                                   (nearest whole degree)
                                                                             198     0000   Best estimate of position or 
                                                                                             classification
                                                                             199     00--   Coincident feature
__________________________________________________________________________________________________________________________________




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
U.S. Public Land          Feature identification    Nodes                    300     0001   U.S. Public Land Survey System
 Survey System                                                                               section corner
                                                                                     0002   Point on section line (no corner)
                                                                                     0003   Closing corner
                                                                                     0004   Meander corner
                                                                                     0005   Auxiliary meander corner
                                                                                     0006   Special meander corner
                                                                                     0007   Witness corner
                                                                                     0008   Witness point
                                                                                     0009   Angle point
                                                                                     0010   Location monument (includes amended
                                                                                             monument and mineral monument)
                                                                                     0011   Reference mark
                                                                                     0012   Quarter-section corner
                                                                                     0013   Tract corner
                                                                                     0014   Land grant corner
                                                                                     0015   Arbitrary section corner

                                                    Nodes (identifi-         300     0040   Corner identified in field
                                                     cation procedures)              0041   Corner with horizontal coordinates
                                                                                     0042     Corner with elevation value

                          Parameters                Areas                                   Select one parameter code from each of
                                                                                             the following A, B, C, and D lists 
                                                                                             and/or consult list E.

                                                                                            A.  Origin of Survey

                                                                             306     00--   Insert two-digit code from Appendix K.

                                                                                            B.  Township number(s)

                                                                             30-     ----   Insert 2 for north of the baseline or
                                                                                             3 for south of the baseline in first
                                                                                             space.  In the second space, insert
                                                                                             a 0 for full township, 2 for 1/4
                                                                                             township, 4 for  township, or 6
                                                                                             for 3/4 township.  Insert township
                                                                                             number in the last three spaces,
                                                                                             right justified.




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
U.S. Public Land          Parameters                Areas (cont'd.)                         C.  Range number(s)
 Survey System             (cont'd.)
 (cont'd.)                                                                   30-     ----   Insert 4 for east of the principal 
                                                                                             meridian or 5 for west of the
                                                                                             principal meridian in the first
                                                                                             space.  In the second space, insert
                                                                                             a 0 for a full range, 2 for 1/4
                                                                                             range, 4 for  range, 6 for 3/4
                                                                                             range, 8 for duplicate to the north
                                                                                             or east of the original township, or
                                                                                             9 for triplicate to the north or
                                                                                             east of the original township. 
                                                                                             Insert range number in last three
                                                                                             spaces, right justified.

                                                                                            D.  Section number
                                                                             301     ----   In the first space, insert 0 for 
                                                                                             numeric section identifier, 1 for
                                                                                             numeric portion of alphanumeric 
                                                                                             identifier or 2 for alphabetic part
                                                                                             of alphanumeric identifier.  In the
                                                                                             last three spaces, insert section
                                                                                             number or numeric representation of 
                                                                                             alphabetic character (01-26), right
                                                                                             justified.

                                                                                            E.  Land grant identifier
                                                                             307     ----   In the first space, insert the 
                                                                                             appropriate number:

                                                                                        0   for numeric grant identifier
                                                                                        1   for numeric portion of alphanumeric
                                                                                             identifier
                                                                                        2   for alphabetic portion of
                                                                                             alphanumeric identifier
                                                                                        3   for alphabetic identifier
                                                                                        4   for identifier of named grant in
                                                                                             Arizona




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
U.S. Public Land          Parameters                Areas (cont'd.)                     5   for identifier of named grant in 
 Survey system             (cont'd.)                                                         California
 (cont'd.)                                                                              6   for identifier of named grant in 
                                                                                             Colorado
                                                                                        7   for identifier of named grant in New
                                                                                             Mexico
                                                                                        8   For identifier of named grant in
                                                                                            other States
                                                                                            In the last three spaces after 0-3
                                                                                             above, insert the grant number or
                                                                                             numeric representation of the 
                                                                                             alphabetic character (01-26),
                                                                                             right-justified.  In the last three
                                                                                             spaces after 4-7 above, insert the
                                                                                             three-digit code of the named grant
                                                                                             as designated in Appendix L.

                                                                                            F.  Excluded areas
                                                                             301     0100   Indian  lands
                                                                                     0101   Homestead entries
                                                                                     0102   Donation land claims
                                                                                     0103   Land grants; civil colonies
                                                                                     0104   Private extension of public land
                                                                                             survey
                                                                                     0105   Area of public and private survey
                                                                                             overlap
                                                                                     0106   Overlapping land grants
                                                                                     0107   Military reservation
                                                                                     0198   Water
                                                                                     0199   Unsurveyed area

                          Feature identification    Lines                    300     0201   Approximate position (within 200 feet)
                                                                                     0202   Protracted position
                                                                                     0203   Arbitrary closure line
                                                                                     0204   Base line
                                                                                     0205   Claim line, grant line

                                                    Points                   0300    0300   Location monument
                                                     (degenerate lines)              0301   Isolated found section corner
                                                                                     0302   Witness corner (off surveyed line)




                     APPENDIX D.--DLG Attribute Codes--continued
__________________________________________________________________________________________________________________________________
                                                                            MAJOR   MINOR
DATA CATEGORY             TYPE OF CODE              APPLICATION             CODE    CODE                  DESCRIPTION
__________________________________________________________________________________________________________________________________
U.S. Public Land          Parameter                 Multiple element         308     0000   Best estimate of classification and/or
 Survey System                                       types                                   position
 (cont'd.)                                                                   309     00--   Coincident feature or symbol
__________________________________________________________________________________________________________________________________
* denotes a code which is no longer being used to encode features, but which may appear in older files.





              APPENDIX G.--Sample DLG Data File
                (Optional Distribution Format)



CARTERSVILLE, GA 01                      1981,        100000.  S01
RO4.RDS01
     3     1    16     2 0.25400000000D+01     4     0     4     1
  -0.840560150000038D+08   0.340260150000010D+08   0.000000000000000D+00
   0.000000000000000D+00   0.000000000000000D+00   0.000000000000000D+00
   0.000000000000000D+00   0.000000000000000D+00   0.000000000000000D+00
   0.000000000000000D+00   0.000000000000000D+00   0.000000000000000D+00
   0.000000000000000D+00   0.000000000000000D+00   0.000000000000000D+00
 0.10000000000D+01 0.00000000000D+00 0.00000000000D+00 0.00000000000D+00
SW       34.375000  -85.000000         683898.58  3805355.05
NW       34.500000  -85.000000         683624.37  3819215.69
NE       34.500000  -84.875000         695100.28  3819449.04
SE       34.375000  -84.875000         695392.26  3805588.76
ROADS AND TRAILS       0   551   551 010   198   198 011   747   747   1
N    1   695392.26  3805588.76           2           0     0
  -724   725
N    2   685742.29  3819258.76           3           0     0
     1    -2   -87
N    3   684845.86  3819240.53           3           0     0
    -1   -23  -258
N    4   687098.38  3819286.33           3           0     0
     2    -3   -34
N    5   687347.30  3819288.85           3           0     0
     3    -4   -35
N    6   687509.77  3819294.70           3           0     0
     4    -5   -42
N    7   687735.78  3819299.29           3           0     0
     5    -6   -43
N    8   687842.44  3819301.46           3           0     0
     6    -7   -45
N    9   687969.42  3819304.04           3           0     0
     7    -8   -67
N   10   688042.96  3819310.62           3           0     0
     8    -9   -66
N   11   688129.40  3819307.29           3           0     0
     9   -10   -80
N   12   688462.08  3819314.06           3           0     0
    10   -11   -31
N   13   688632.22  3819317.52           3           0     0
    11   -12   -32
N   14   688837.92  3819321.70           3           0     0
    12   -13   -24
N   15   688947.12  3819323.92           3           0     0
    13   -14   -26
N   16   689490.57  3819334.97           3           0     0
    14   -15  -154




              APPENDIX G.--Sample DLG Data File
          (Optional Distribution Format)--continued


A    1   689504.51  3812402.15          61    65     1     0     0
  -695  -701  -705  -706  -708  -710  -713  -714  -716  -718  -719  -722
  -723   724   725   693   692   645   576   554   553   545   536   512
   483   407   244   218   146   113    94    21    20    19    18    17
    16    15    14    13    12    11    10     9     8     7     6     5
     4     3     2     1  -258  -399  -464  -509  -543  -547  -557  -620
  -689
     0     0
A    2   689504.51  3812402.15           3     4     0     0     0
   726  -725  -724
A    3   689504.51  3812402.15          10    32     0     0     0
    87    -2   -34   -40    41   -49   -48   -74  -105   104
A    4   689504.51  3812402.15           8    25     0     0     0
   136    23    -1   -87  -137  -139  -141   140
A    5   689504.51  3812402.15           5    28     0     0     0
  -259   258   -23  -136  -237
A    6   689504.51  3812402.15           3     8     0     0     0
    34    -3   -35
A    7   689504.51  3812402.15           5     9     0     0     0
    59    35    -4   -42   -58
A    8   689504.51  3812402.15           4     6     0     0     0
    42    -5   -43    44
A    9   689504.51  3812402.15           4     5     0     0     0
    43    -6   -45    46
A   10   689504.51  3812402.15           4     8     0     0     0
    45    -7   -67    70
A   11   689504.51  3812402.15           4     6     0     0     0
    67    -8   -66   -68
A   12   689504.51  3812402.15           5     6     0     0     0
    66    -9   -80    79    78
A   13   689504.51  3812402.15          17    34     0     0     1
   106   -79    80   -10   -31   -37  -111  -110  -115  -117  -119  -121
   122     0    84    85   -83
A   14   689504.51  3812402.15           3     8     0     0     0
    31   -11   -32
A   15   689504.51  3812402.15           5     9     0     0     0
    39    32   -12   -24   -38
A   16   689504.51  3812402.15           4     6     0     0     0
    24   -13   -26    25
L    1     2     3     4     1                 2     0     0
   685742.29  3819258.76   684845.86  3819240.53
L    2     4     2     3     1                 2     0     0
   687098.38  3819286.33   685742.29  3819258.76
L    3     5     4     6     1                 2     0     0
   687347.30  3819288.85   687098.38  3819286.33
L    4     6     5     7     1                 2     0     0
   687509.77  3819294.70   687347.30  3819288.85
L    5     7     6     8     1                 2     0     0
   687735.78  3819299.29   687509.77  3819294.70




              APPENDIX G.--Sample DLG Data File
          (Optional Distribution Format)--continued


L    6     8     7     9     1                 2     0     0
   687842.44  3819301.46   687735.78  3819299.29
L    7     9     8    10     1                 2     0     0
   687969.42  3819304.04   687842.44  3819301.46
L    8    10     9    11     1                 2     0     0
   688042.96  3819310.62   687969.42  3819304.04
L    9    11    10    12     1                 2     0     0
   688129.40  3819307.29   688042.96  3819310.62
L   10    12    11    13     1                 2     0     0
   688462.08  3819314.06   688129.40  3819307.29
L   11    13    12    14     1                 2     0     0
   688632.22  3819317.52   688462.08  3819314.06
L   12    14    13    15     1                 2     0     0
   688837.92  3819321.70   688632.22  3819317.52
L   13    15    14    16     1                 2     0     0
   688947.12  3819323.92   688837.92  3819321.70
L   14    16    15    17     1                 2     0     0
   689490.57  3819334.97   688947.12  3819323.92
L   15    17    16    18     1                 2     0     0
   690620.63  3819357.95   689490.57  3819334.97
L   16    18    17    18     1                 2     0     0
   690925.37  3819364.15   690620.63  3819357.95
L   17    19    18    19     1                 2     0     0
   691189.48  3819369.52   690925.37  3819364.15
L   18    20    19    20     1                 2     0     0
   691605.95  3819377.98   691189.48  3819369.52
L   19    21    20    21     1                 2     0     0
   693447.02  3819417.96   691605.95  3819377.98
L   20    22    21    21     1                 2     0     0
   694107.34  3819428.85   693447.02  3819417.96
L   21    23    22    22     1                 2     0     0
   694914.90  3819445.27   694107.34  3819428.85
L   22    24    22    21    22                 3     1     0
   694205.18  3819364.78   694194.61  3819384.89   694107.34  3819428.85
   170   205
L   23    25     3     5     4                 3     1     0
   684825.58  3819113.09   684849.22  3819199.95   684845.86  3819240.53
   170   209
L   24    26    14    15    16                 2     1     0
   688848.53  3819174.57   688837.92  3819321.70
   170   210
L   25    27    26    25    16                 2     1     0
   688901.91  3819173.11   688848.53  3819174.57
   170   210
L   26    27    15    16    17                 3     1     0
   688901.91  3819173.11   688939.85  3819181.50   688947.12  3819323.92
   170   210
L   27    28    17    18    18                 3     1     0
   690593.10  3819212.58   690628.40  3819226.00   690620.63  3819357.95
   170   209




              APPENDIX G.--Sample DLG Data File
          (Optional Distribution Format)--continued


L   28    29    25     4     4                 3     1     0
   685461.28  3819085.37   685414.90  3819117.45   684825.58  3819113.09
   170   209
L   29    30    24    24    22                 2     1     0
   694605.90  3819273.85   694205.18  3819364.78
   170   205
L   30    30    23    22    23                 4     1     0
   694605.90  3819273.85   694615.85  3819284.21   694851.82  3819423.66
   694914.90  3819445.27
   170   205
L   31    31    12    13    14                 4     1     0
   688529.54  3819119.81   688480.67  3819149.30   688470.15  3819166.87
   688462.08  3819314.06
   170   210
L   32    31    13    14    15                 4     1     0
   688529.54  3819119.81   688611.12  3819230.71   688637.82  3819292.23
   688632.22  3819317.52
   170   210
L   33    32    21    21    21                 2     1     0
   693453.44  3819227.55   693447.02  3819417.96
   170   209
L   34    33     4     3     6                 4     1     0
   687148.37  3819076.48   687139.15  3819155.05   687123.40  3819180.14
   687098.38  3819286.33
   170   210
L   35    33     5     6     7                 4     1     0
   687148.37  3819076.48   687172.89  3819120.17   687342.68  3819265.89
   687347.30  3819288.85
   170   201
