CODE RECORDS As major-minor code attribute pairs, FORTRAN format (6(2I6)): Within each pair, the first integer is the major code and the second integer is the minor code. Each major and minor code is a one-to-four-digit integer, right justified within the six-byte field. DATA CATEGORY TYPE OF CODE Combined hydrography Feature identification MAJOR MINOR APPLICATION CODE CODE DESCRIPTION Nodes 050 000l 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 000 0000 Area outside graph 050 0l00 Alkali flat 0l0l Reservoir 0l02 Covered reservoir 0l03 Glacier or permanent snowfield 0l04 Salt evaporator 0l05 Inundation area 0l06 Fish hatchery or farm 0l07 Industrial water impoundment 0l08 Area to be submerged 0l09 Sewage disposal pond or filtration beds 0ll0 Tailings pond 0lll Marsh, wetland, swamp, bog 0ll2 Mangrove area 0ll3 Rice field 0ll4 Cranberry bog 0ll5 Flats (tidal, mud, sand, gravel) 0ll6 Bays, estuaries, gulfs, oceans, seas 0117 Shoal 0118 Soda evaporator Lines 0200 Shoreline 020l Manmade shoreline 0202 Closure line, (water-water) 0203 Indefinite shoreline 0204 Apparent limit 0205 Outline of a Carolina bay 0206 Danger curve MAJOR MINOR APPLICATION CODE CODE DESCRIPTION Points 050 0300 Spring (Degenerate Lines) 030l Non-flowing well 0302 Flowing well 0303 Riser 0304 Geyser 0305 Windmill Multiple Element 0400 Rapids Types 040l 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) 04l0 Rock 04ll Crevasse 04l2 Stream 04l3 Braided stream 04l4 Ditch or canal 04l5 Aqueduct 04l6 Flume 04l7 Penstock 04l8 Siphon 04l9 Channel in water area 0420 Wash or ephemeral drain 042l Lake or pond 0422 Coral reef 0423 Sand in open water 0424 Spoil area DATA CATEGORY TYPE OF CODE Combined hydrography Descriptive MAJOR MINOR APPLICATION CODE CODE DESCRIPTION Multiple Element 050 060l Underground Types 0602 Overpassing 0603 Elevated 0604 Tunnel 0605 Right bank 0606 Left bank 0607 Under construction 0608 Salt 0609 Unsurveyed 06l0 Intermittent 06ll Abandoned or discontinued 06l2 Submerged or sunken 06l4 Dry 06l5 Mineral or hot (sulphur, alkali, etc.) 06l6 Navigable, transportation 06l7 Underpassing 0618 Earthen construction 050 0000 Photorevised feature DATA CATEGORY TYPE OF CODE Combined hydrography Parameter Multiple Element 05N ---- Water surface elevation Types N=l for feet, 2 for meters, 6 for feet below datum, and 7 for meters below datum. Elevation value in four spaces, right justified. 053 ---- 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 (enter first two digits of major code for category of coincident feature in blanks, right justified.