01485nam 2200409 a 450 991070120850332120120125124420.0(CKB)5470000002416977(OCoLC)773822602(EXLCZ)99547000000241697720120125d2010 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierAfter a century[electronic resource] revised Paleogene coal stratigraphy, correlation, and deposition, Powder River Basin, Wyoming and Montana /by Romeo M. Flores ... [and others]Reston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2010.1 online resource (v, 97 pages) color illustrations, color mapsProfessional paper ;1777Title from title screen (viewed on Jan. 25, 2012).Includes bibliographical references (pages 42-45).After a century Geology, StratigraphicPaleogeneCoalGeologyPowder River Basin (Wyo. and Mont.)GeologyPowder River Basin (Wyo. and Mont.)Geology, StratigraphicCoalGeologyGeologyFlores Romeo M1169568Geological Survey (U.S.)GPOGPOBOOK9910701208503321After a century3547540UNINA