Iron mining in Minnesota.
Salvato in:
| OCLC: | 1183382 |
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| Autore principale: | |
| Lingua: | English |
| Pubblicazione: |
Minneapolis,
1912.
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| Serie: | The University of Minnesota. Minnesota school of mines. Experiment station. Bulletin no. 1.
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| Soggetti: | |
| Natura: | Monograph Note that CRL will digitize material from the collection when copyright allows. |