B) LANDFORMS
(discrete, natural, individual earth-surface features mappable at common survey scales). (LS = Landscape; Micro = Microfeature; w = water body. Italicized NASIS code follows each term.)
a’a lava flow alas alluvial cone alluvial fan alluvial flat alpine glacier anticline arete arroyo ash flow atoll avalanche chute axial stream backshore backswamp bajada (also LS) ballena ballon bar BR barchan dune barrier beach barrier flat barrier island (also LS) basin floor basin-floor remnant bay [coast] (w) bay [geom.] bayou (w) beach beach plain beach ridge beach terrace berm beveled base blind valley block field block glide block lava flow block stream blowout bluff USDA-NRCS
— AA — AF AP — AN AR AY AS AT AL — AZ BS BJ BL BV
bog box canyon braided stream broad interstream divide butte caldera canyon canyon bench Carolina Bay channel (also Micro) chenier chenier plain cinder cone cirque cirque floor cirque headwall cirque platform cliff climbing dune closed depression (also Micro) coastal plain (also LS) cockpit col collapsed ice-floored lakebed collapsed ice-walled lakebed collapsed lake plain collapsed outwash plain collapsed sinkhole complex landslide coulee cove [coast] (w) cove [geom.] craig and tail crater (volcanic) crevasse filling cuesta cuesta valley
BQ BB BP BI BC BD WB — WC BE BP BG BT BM — VB BW — — BX BY BN 3-12
BO — BZ — BU CD CA — CB CC CG CH CI CQ — — — CJ — — CP — CL CK CN CS CT — — CE — CO — CR CF CU —
September 2002