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.
- 1 of 1 copy available at Evergreen Indiana.
0 current holds with 1 total copy.
Series InformationInformation circular (United States. Bureau of Mines)
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|Location||Call Number / Copy Notes||Barcode||Shelving Location||Status||Due Date|
|Indiana State Library - Indianapolis||I 28.27:8715 (Text)||373357-1001||General Federal documents||Available||-|
- Physical Description: 3 unnumbered pages, 25 pages : illustrations ; 26 cm.
- Publisher: Washington : U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.
Mines with annual production of 1.5 and 3 million tons by longwall mining from an 84-inch coalbed.
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|Subject:||Bituminous coal > Costs.
Coal mines and mining > United States > Cost of operation.