01001cam a22002771a 4500001001300000003000400013005001700017008004100034010001700075035001900092040003400111042001200145043001200157050002400169086002500193100004600218245008000264260009700344300003300441490003500474504004900509650001600558650003300574710004200607830007400649gs 53000074 DLC20260227111359.0761013s1952 ohuab b s000 0 eng  ags 53000074  a(OCoLC)2499207 aDLCcOTdOCoLCdOdOCoLCdDLC apremarc an-us-oh00aQE151b.A183 no. 100 aONR 84.10:102ohdocs1 aCady, Gilbert H.q(Gilbert Haven),d1882-12aA program of activities and research in coal geology /cby Gilbert H. Cady. aColumbus :bState of Ohio, Dept. of Natural Resources, Division of Geological Survey,c1952. a55 p. :bill., map ;c23 cm.1 aInformation circular ;vno. 10 aIncludes bibliographical references (p. 55). 0aCoalzOhio. 0aCoal mines and miningzOhio.1 aOhio.bDivision of Geological Survey. 0aInformation circular (Ohio. Division of Geological Survey) ;vno. 10.