Author: | Hopkins, G. R. |
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Year: | 1940 |
Document Type: | BMEP |
Issuing Agency: | U.S. Govt. Print. Off., |
SUDOC: | I 28.38:20 |
Series: | U.S. Bureau of Mines. Economic paper ; |
Report Number: | 20 |
Subjects: | Petroleum industry and trade--United States--Statistics |
Petroleum--United States--Statistics | |
Link: | https://hdl.handle.net/2027/mdp.39015077573643 |