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Summarized Data of Zinc Production Showing the Relation of Production in the United States to That of the World
| Author: | Pehrson, Elmer Walter |
|---|---|
| Year: | 1929 |
| Document Type: | N/A |
| SUDOC: | I 28.38:2 |
| Series: | Economic paper (Bureau of Mines) |
| Subject: | Zinc mines and mining. |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc40309/ |
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