Coal-research activities of the Bureau of Mines

Author: Fieldner, Arno Carl,
Year: 1946
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7367
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7367
Subjects: Coal--United States
Coal--Research
Link: https://hdl.handle.net/2027/mdp.39015074127971

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