Review of Bureau of Mines coal program, 1967

Author: Spencer, John D.
Year: 1968
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8385
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 8385
Subjects: Coal mines and mining
Coal preparation
Coal--Research
Link: https://hdl.handle.net/2027/mdp.39015078516575

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