01620nam 2200421 a 450 991069130760332120020305085738.0(CKB)5470000002346302(OCoLC)48971069ocm48971069(OCoLC)995470000002346302(EXLCZ)99547000000234630220020211d2002 ua 0engctxtrdacontentcrdamediacrrdacarrierA summary of the U.S. Geological Survey 1999 resource assessment of selected coal zones in the northern Rocky Mountains and Great Plains region, Wyoming, Montana, and North Dakota[electronic resource] /by M.S. Ellis and D.J. NicholsVersion 1.0.[Denver, Colo.] :U.S. Dept. of the Interior, U.S. Geological Survey,2002.U.S. Geological Survey bulletin ;2189Title from html title screen (viewed Feb. 11, 2002).Includes bibliographical references.CoalGreat PlainsCoalRocky Mountains RegionCoalCoalEllis Margaret S(Margaret Stamm),1950-1383714Nichols Douglas J1189263Geological Survey (U.S.)GISGISGPOBOOK9910691307603321A summary of the U.S. Geological Survey 1999 resource assessment of selected coal zones in the northern Rocky Mountains and Great Plains region, Wyoming, Montana, and North Dakota3433762UNINA