Iron mining in Minnesota.
Guardat en:
| OCLC: | 1183382 |
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| Autor principal: | |
| Idioma: | English |
| Publicat: |
Minneapolis,
1912.
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| Col·lecció: | The University of Minnesota. Minnesota school of mines. Experiment station. Bulletin no. 1.
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| Matèries: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |