01493nam 2200385Ia 450 991070223730332120121115092301.0(CKB)5470000002425777(OCoLC)818184883(EXLCZ)99547000000242577720121115d2012 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierDatabase of the United States coal pellet collection of the U.S. Geological Survey Organic Petrology Laboratory[electronic resource] /by Nikolaus J. Deems and Paul C. HackleyReston, Va :U.S. Dept. of the Interior, U.S. Geological Survey,2012.1 online resource (iii, 18 pages) color illustrations, color mapOpen-file report ;2012-1151Title from title screen (viewed on Nov. 15, 2012).Includes bibliographical references (pages 14-17).CoalSamplingUnited StatesDatabasesCoalResearchUnited StatesDatabasesCoalSamplingCoalResearchDeems Nikolaus J1404947Hackley Paul C1388682Geological Survey (U.S.)GPOGPOBOOK9910702237303321Database of the United States coal pellet collection of the U.S. Geological Survey Organic Petrology Laboratory3480553UNINA