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Marketing feldspar
| Author: | Metcalf, Robert W. |
|---|---|
| Year: | 1941 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines ; |
| SUDOC: | I 28.27:7184 |
| Series: | Information Circular / Bureau of Mines ; |
| Report Number: | 7184 |
| Subject: | Feldspar--United States |
| Link: | https://hdl.handle.net/2027/mdp.39015078535757 |
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