Prepared for Office of Coal Research, U.S. Department of the Interior."For the period August 1973 to June 1974."Mode of access: Internet
Includes index.Chiefly tables.Bibliographical references included.Mode of access: Internet
Running title: Progress in mechanical cleaning of bituminous coal.Mode of access: Internet
"January 1978."Cover title.Includes bibliographical references.Mode of access: Internet
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Mode of access: Internet.Vols. for 1965, 1967 issued by: Division of Natural Resources, Coal Mine In...
Issued July 1978.Prepared for Dept. of Energy, Solid Fuels Mining and Preparation Division, under co...
"Period of performance: September, l968- December, 1973."Includes bibliographical references.Mode of...
"Int.-Bur. of Mines, Pgh., Pa. 8137"--P. 44."February 1957."Mode of access: Internet
Includes bibliographical references (p. 25-26) and index.Mode of access: Internet
Prepared in cooperation with U.S. Environmental Protection Agency, Office of Environmental Engineeri...
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. 4, p.1-217.Mode of a...
"Reprinted from Economic geology, vol. 44, no. 1, pp. 1-12, January-February, 1949."Bibliography: p....
--Apr.-June 1975: "UC-90e".Mode of access: Internet.Continued by: Coal power & combustion, ISSN 0362...
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Includes index.Chiefly tables.Bibliographical references included.Mode of access: Internet
Running title: Progress in mechanical cleaning of bituminous coal.Mode of access: Internet
"January 1978."Cover title.Includes bibliographical references.Mode of access: Internet
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Mode of access: Internet.Vols. for 1965, 1967 issued by: Division of Natural Resources, Coal Mine In...
Issued July 1978.Prepared for Dept. of Energy, Solid Fuels Mining and Preparation Division, under co...
"Period of performance: September, l968- December, 1973."Includes bibliographical references.Mode of...
"Int.-Bur. of Mines, Pgh., Pa. 8137"--P. 44."February 1957."Mode of access: Internet
Includes bibliographical references (p. 25-26) and index.Mode of access: Internet
Prepared in cooperation with U.S. Environmental Protection Agency, Office of Environmental Engineeri...
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. 4, p.1-217.Mode of a...
"Reprinted from Economic geology, vol. 44, no. 1, pp. 1-12, January-February, 1949."Bibliography: p....
--Apr.-June 1975: "UC-90e".Mode of access: Internet.Continued by: Coal power & combustion, ISSN 0362...
Chiefly tables.Includes bibliographical references and index.Mode of access: Internet
Includes index.Chiefly tables.Bibliographical references included.Mode of access: Internet
Running title: Progress in mechanical cleaning of bituminous coal.Mode of access: Internet
"January 1978."Cover title.Includes bibliographical references.Mode of access: Internet