Basic estimated capital investment and operating costs for underground bituminous coal mines developed for longwall mining /
by John R. Duda and E. L. Hemingway ; Process Evaluation Group - MMRD.

Description

Main Author

Duda, John R.

Related Names

Hemingway, E. L., jt. auth.
United States. Bureau of Mines.

Language(s)

English

Published

Washington : U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.

Subjects

Coal mines and mining > Coal mines and mining / United States > Coal mines and mining / United States / Cost of operation.
Bituminous coal > Bituminous coal / Costs.

Note

Chiefly tables.
Mines with annual production of 1.5 and 3 million tons by longwall mining from an 84-inch coalbed.

Physical Description

[3], 25 p. : ill. ; 26 cm.

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