01619oam 2200421Ia 450 991070819380332120140329023355.0(OCoLC)875133626(MiFhGG)NCCO2011204(EXLCZ)99492000000244712420790601d1893 ua 0engur|n||||||||nGeology of the Big Stone Gap coal field of Virginia and Kentucky[electronic resource] /by Marius R. CampbellWashington Govt. Print. Off18931 online resource (106 p., [7] leaves of plates) ill., maps (some folded)Bulletin of the United States Geological Survey ;no. 111Nineteenth Century Collections Online: Science, Technology, and Medicine, Part IAt head of title: United States Geological Survey.Includes index.Reproduction of the original from the Library of Congress.Includes bibliographical references.Bulletin of the United States Geological Survey ;no. 111.Nineteenth Century Collections Online: Science, Technology, and Medicine, Part I.GeologyVirginiaGeologyKentuckyCoalGeologyGeologyCoal.Campbell Marius R(Marius Robinson),1858-1940.Geological Survey (U.S.)MIGCLUtOrBLWBOOK9910708193803321Geology of the Big Stone Gap coal field of Virginia and Kentucky3875325UNINA