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Marketing vermiculite
| Author: | Gwinn, G. Richards. |
|---|---|
| Year: | 1944 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:7270 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7270 |
| Subject: | Vermiculite |
| Link: | https://hdl.handle.net/2027/mdp.39015074127021 |
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