Annual report of research and technologic work on coal :fiscal year 1947

Author: Fieldner, Arno Carl,
Additional Authors: Ambrose, P. M.
Year: 1948
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7446
Series: Information circular / Bureau of Mines ;
Report Number: 7446
Subjects: Coal mines and mining--United States
Coal
Link: https://hdl.handle.net/2027/mdp.39015077577792

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