-
21by DeVan, J. H.Subjects: “...Coal preparation plants Equipment and supplies Reliability....”
Published 1978
Government Document Book -
22Published 1979Subjects: “...Coal preparation plants United States....”
Government Document Book -
23by Tems, Robin D.Subjects: “...Coal preparation plants Environmental aspects United States....”
Published 1979
Government Document Book -
24by Brown, P. M. (Pat M.)Subjects: “...Coal preparation plants Waste disposal....”
Published 1983
Government Document Book -
25Published 1980Subjects: “...Coal preparation plants Environmental aspects United States....”
Government Document Book -
26Published 1977Subjects: “...Coal preparation plants....”
Government Document Book -
27
Government Document Serial -
28Published 1983Subjects: “...Coal preparation plants Economic aspects United States....”
Government Document Book