02025oam 2200445 450 991070778910332120161025154330.0(CKB)5470000002466654(OCoLC)885281794(EXLCZ)99547000000246665420140805d1977 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMineral resources of study areas contiguous to the Uncompahgre primitive area, San Juan Mountains, southwestern Colorado /by T.A. Steven [and four others][Washington, D.C.] :United States Department of the Interior, Geological Survey,1977.Washington :United States Government Printing Office.1 online resource (viii, 126 pages, 3 pages of plates) illustrations, maps (some color)Geological Survey bulletin ;1391-EStudies related to wilderness--primitive areasTitle from title screen (viewed August 1, 2014)."This article supersedes: Mineral resources of study areas contiguous to the Uncompahgre Primitive Area, San Juan Mountains, southwestern Colorado (1973).""An evaluation of the mineral potential of the areas.""Includes a section on Interpretation of aeromagnetic data by Peter Popenoe and R. G. Luedke."Includes bibliographical references (pages 86-89) and index.Mines and mineral resourcesSan Juan Mountains (Colo. and N.M.)Mines and mineral resourcesSteven Thomas A(Thomas August),1917-2013,1388925Geological Survey (U.S.),COPCOPOCLCOOCLCAGPOBOOK9910707789103321Mineral resources of study areas contiguous to the Uncompahgre primitive area, San Juan Mountains, southwestern Colorado3439922UNINA