Preparation characteristics of coal from Butler County, Pa. /
by T.E. Gray and E.R. Palowitch.

Description

Main Author

Gray, T. E.

Related Names

Palowitch, Eugene R. (Eugene Robert)

Language(s)

English

Published

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1960.

Subjects

Coal preparation.
Coal > Coal / Pennsylvania > Coal / Pennsylvania / Butler County.

Physical Description

iv, 49 p. : ill., maps ; 27 cm.

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