Iron mining in Minnesota.
שמור ב:
| OCLC: | 1183382 |
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| מחבר ראשי: | |
| שפה: | English |
| יצא לאור: |
Minneapolis,
1912.
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| סדרה: | The University of Minnesota. Minnesota school of mines. Experiment station. Bulletin no. 1.
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| נושאים: | |
| פורמט: | Monograph Note that CRL will digitize material from the collection when copyright allows. |