"Shaft-sinking methods, practices, and costs of the Consolidation Coal Co. at its No. 261 Mine, Caretta, McDowell County, W. Va."; "Kelley, Laurence E."; "Consolidation Coal Company."; "Mine shafts--West Virginia--McDowell County.", "Coal mines and mining--West Virginia--McDowell County."; "Kelley, Laurence E."; "1932"; "

Serial issue. Issued as: United States. Bureau of Mines. Information circular, I.C. 6602 (1932:Apr.).

"; ""; "P20756"; "pec"; "Coal mines and mining--West Virginia--McDowell County.", "Consolidation Coal Company.", "Mine shafts--West Virginia--McDowell County."; "14256"; .