Year: | 1983 |
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Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines : |
SUDOC: | I 28.27:8935 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 8935 |
Subject: | Mines and mineral resources--United States--Information services |
Link: | https://hdl.handle.net/2027/mdp.39015078466490 |