01691oam 2200493 450 991071169490332120181129080107.0(CKB)5470000002485108(OCoLC)953258948(OCoLC)995470000002485108(EXLCZ)99547000000248510820160708e19841983 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierOverview and USGS activities /by Robert B. McEwen, Hugh W. Calkins, and Benjamin S. Ramey[Reston, Virginia] :United States Department of the Interior, Geological Survey,1983.[Reston, Virginia] :United States Department of the Interior, Geological Survey,1984.1 online resource (v, 20 pages) illustrationsGeological Survey circular ;895-AUSGS digital cartographic data standardsTitle from title screen (viewed July 15,2015)."National Mapping Program."Includes bibliographical references (pages 19-20).Digital mappingStandardsDigital mappingStandardsfastDigital mappingStandards.Digital mappingStandards.McEwen Robert B.1417919Calkins Hugh W.Ramey Benjamin S.Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910711694903321Overview and USGS activities3527726UNINA