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The importance of minerals, 1976.
| Year: | 1976 |
|---|---|
| Document Type: | RECLAMATION |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.2:M 66/10 |
| Subjects: | Mineral industries--United States |
| Mines and mineral resources--United States--History--Pictorial works | |
| Links: | https://hdl.handle.net/2027/uc1.31210004244081 |
| https://hdl.handle.net/2027/mdp.39015095154004 |
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