01790oam 2200493 450 991070718950332120160503111127.0(CKB)5470000002461599(OCoLC)885119739(EXLCZ)99547000000246159920140802d1958 ua 0engurn||||||||||txtrdacontentcrirdacontentcrdamediacrrdacarrierGeology and coal resources of the Walsenburg area, Huerfano County, Colorado /by Ross B. Johnson[Washington, D.C. ]:[United States Department of the Interior, Geological Survey],[1958]Washington :United States Government Printing Office.1 online resource (iii, 557-583 pages, 3 pages of plates) maps, chartsContributions to economic geologyGeological Survey bulletin ;1042-OTitle from title screen (viewed July 22, 2014).Additional title page description: "A study of coal resources and their geologic occurence in formations of Late Cretaceous and Paleocene age."Includes bibliographical references (page 581) and index.CoalColoradoHuerfano CountyCoalfastColoradoHuerfano CountyfastCoalCoal.Johnson Ross B.1919-1387215Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOOCLCQGPOBOOK9910707189503321Geology and coal resources of the Walsenburg area, Huerfano County, Colorado3489406UNINA