01609oam 2200409Ia 450 991069638070332120080102143246.0(CKB)5470000002377021(OCoLC)182746805(EXLCZ)99547000000237702120071204d2006 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCoal rank and stratigraphy of Pennsylvanian coal and coaly shale samples, Young County, north-central Texas[electronic resource] /by Edgar H. Guevara, Caroline Breton, and Paul C. Hackley ; prepared in cooperation with the Bureau of Economic Geology, the University of Texas at AustinVersion 1.0.Reston, Va. :U.S. Geological Survey,2006.iii, 29 pages digital, PDF fileOpen-file report ;2007-1313Title from PDF title screen (viewed on Dec. 3, 2007).Includes bibliographical references (page 8).CoalGeologyTexasYoung CountyCoalGeologyGuevara Edgar H1419894Breton Caroline1419895Hackley Paul C1388682Geological Survey (U.S.)University of Texas at Austin.Bureau of Economic Geology.GISGISGPOBOOK9910696380703321Coal rank and stratigraphy of Pennsylvanian coal and coaly shale samples, Young County, north-central Texas3535877UNINA