Author: | Fies, Milton Henry, |
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Year: | 1934 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:6775 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 6775 |
Subjects: | Mines and mineral resources |
Mineral industries | |
Link: | https://hdl.handle.net/2027/mdp.39015077571969 |