02435oam 2200613 450 991070658750332120171115094529.0(CKB)5470000002456569(OCoLC)891600289(OCoLC)995470000002456569(EXLCZ)99547000000245656920140929d1973 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology and phosphate deposits of the Permian rocks in central western Montana /by Roger W. SwansonWashington :United States Department of the Interior, Geological Survey,1973.1 online resource (65 unnumbered pages) illustrations, maps +5 platesGeological Survey professional paper ;313-FTitle from title screen (viewed September 26, 2014)."Geology of permian rocks in the western phosphate field.""This reports concerns work done as part of the program of the Department of the Interior for development of the Missouri River basin, and work done partly on behalf of the U.S. Atomic Energy Commission.""Descriptions of Permain rocks and of structure of enclosing rocks at north end of western phosphate field, with measured sections, chemical analyses, and phosphates resource tables."Includes bibliographical references (pages 832-833) and index.GeologyMontanaPhosphatesMontanaSedimentary rocksMontanaGeologyfastPhosphatesfastSedimentary rocksfastMissouri River WatershedMissouri River WatershedfastMontanafastGeologyPhosphatesSedimentary rocksGeology.Phosphates.Sedimentary rocks.Swanson Roger Warren1914-1392645Geological Survey (U.S.),Interior Missouri Basin Field Committee.U.S. Atomic Energy Commission.COPCOPOCLCOOCLCFGPOBOOK9910706587503321Geology and phosphate deposits of the Permian rocks in central western Montana3500926UNINA