Entity_and_Attribute_Overview:
ATTRIBUTE DESCRIPTION :
For attribute code descriptions refer to the information at the end of
this documemt. This information is from the "Digital line Graphs from
1:24,000-scale maps" published by the User Services Branch, National
Cartographic Information Center, USGS.
ATTRIBUTE ITEMS FROM ORIGINAL POLYGON ATTRIBUTE TABLE :
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME INDEXED?
1 AREA 4 12 F 3 -
5 PERIMETER 4 12 F 3 -
9 HYDRO# 4 5 B - -
13 HYDRO-ID 4 5 B - -
17 MAJOR1 6 6 I - -
23 MINOR1 6 6 I - -
29 MAJOR2 6 6 I - -
35 MINOR2 6 6 I - -
41 MAJOR3 6 6 I - -
47 MINOR3 6 6 I - -
53 MAJOR4 6 6 I - -
59 MINOR4 6 6 I - -
65 MAJOR5 6 6 I - -
71 MINOR5 6 6 I - -
77 MAJOR6 6 6 I - -
83 MINOR6 6 6 I - -
89 MAJOR7 6 6 I - -
95 MINOR7 6 6 I - -
MAJOR MINOR
TYPE OF CODE CODE CODE DESCRIPTION
-------------------------------------------------------------------------------
Feature Nodes
identification
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 Stream 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 or settling basin
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
Lines
050 0200 Shoreline
0201 Manmade shoreline
0202 Closure line
0203 Indefinite shoreline
0204 Apparent limit
0205 outline of a Carolina bay
0206 Danger curve
0207 Apparent shoreline
0208 Sounding datum
0209 Low water line
0299 Processing line
Points (degenerate lines)
050 0300 Spring
0301 Non-flowing well
0302 Flowing well
0303 Riser
0304 Geyser
0305 Windmill
0306 Cistern
Multiple element types
050 0400 Rapids
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
0420 Wash or ephemeral drain
0421 Lake or pond
0422 Coral reef
0423 sand in open water
0424 Spoil area
0425 Fish ladders
0426 Holiday area
Descriptive multiple element types
050 0601 Underground
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
0621- Decimal fractions in
0629 feet or meters
050 0000 Photorevised feature
Parameter multiple element types
05N ---- Water surface elevation
N=l for feet, 2 for meters, 6 for
feet below datum, and 7 for whale
meters below datum%. Elevation
value in four spaces, right
justified.
053 0--- Angle of clockwise rotation
(nearest whole degree)
055 ---- River mile, value in four spaces
right justified
058 0000 Best estimate of classification
or position
059 00-- coincident feature