01341nam 2200373 450 991070398510332120150824150555.0(CKB)5470000002435887(OCoLC)919093779(EXLCZ)99547000000243588720150824d1917 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierCoals in the area between Bon Air and Clifty, Tennessee /by Charles Butts[Washington, D.C.] :Department of the Interior, United States Geological Survey,[1917]Washington :Government Printing Office.1 online resource (pages 307-310) illustrationBulletin / Department of the Interior, United States Geological Survey ;641-KContributions to economic geology ;1916, part IIGeologyTennesseeWhite CountyCoal mines and miningTennesseeWhite CountyGeologyCoal mines and miningButts Charles1863-1946,1406352Geological Survey (U.S.),GPOGPOBOOK9910703985103321Coals in the area between Bon Air and Clifty, Tennessee3501723UNINA