01637oam 2200517 450 991071176240332120190103093049.0(CKB)5470000002486447(OCoLC)953209036(OCoLC)995470000002486447(EXLCZ)99547000000248644720160707d1984 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDigital line graphs from 1:24,000-scale maps /by William R. Allder and Atef A. ElassalReston, Virginia :United States Department of the Interior, Geological Survey,1984.1 online resource (vi, 79 pages) illustrations, mapsGeological Survey circular ;895-CUSGS digital cartographic data standards"National Mapping Program"--Page [1]."US GeoData."Digital line graphs from 1Digital mappingStandardsMap scalesDigital mappingStandardsfastMap scalesfastDigital mappingStandards.Map scales.Digital mappingStandards.Map scales.Allder William R.1392642Elassal Atef A.Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910711762403321Digital line graphs from 1:24,000-scale maps3544446UNINA