Appendix A DLG Codes [DLG_CODE.WPD] Attribute Codes :
Major Code Category
020 Hypsography
050 Hydrography
070 Surface Cover
Minor Codes Description
001 - 099 nodes
100 - 199 areas
200 - 299 lines
300 - 399 degenerate lines
400 - 499 general - purpose codes
600 - 699 descriptive codes
Code 000 0000 is reserved for the area outside a given map sheet
Nodes
050 0001 Upper end of stream
050 0004 Stream entering water body
050 0005 Stream leaving water body
Areas
050 0101 Reservoir
050 0103 Glacier
050 0106 Fish hatchery
Lines
050 0200 Shoreline
050 0201 Man-made shoreline
Degenerate lines
050 0300 Spring
050 0302 Flowing Well
General Purpose Attributes
050 0400 Rapids
050 0401 Falls
050 0406 Dam or Weir
General Descriptive Attributes
050 0601 Underground
050 0603 Elevated
050 0604 Tunnel
. Header record : date of creation, map projection and coordinate system; number of points, lines, areas stored in the file
. Data Record : Nodes : Description and Location, Attribute codes, associated text string,
Final record of estimated accuracy