01479oam 2200445Kn 450 991069290810332120041008140916.0(CKB)5470000002358418(OCoLC)45357936ocm45357936(OCoLC)995470000002358418(EXLCZ)99547000000235841819990707d2000 ua 0engtxtrdacontentcrdamediacrrdacarrierTopographic map symbols[electronic resource][Washington, D.C.] :USGS,[2000]Title from title screen.The United States Geological Survey (USGS) presents information about topographic map symbols. Topographic maps contain contour lines that represent the Earth's surface. The maps also include symbols that represent streets, buildings, streams, and woods.National mapping informationTopographical drawingConventional signsMapsSymbolsTopographic mapsTopographic maps.lcgftTopographical drawingConventional signs.MapsSymbols.Topographic maps.912.014Geological Survey (U.S.)N@FN@FGPOOCLCQGPOBOOK9910692908103321Topographic map symbols3187467UNINA