Iron mining in Minnesota.
محفوظ في:
| OCLC: | 1183382 |
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| المؤلف الرئيسي: | |
| اللغة: | English |
| منشور في: |
Minneapolis,
1912.
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| سلاسل: | The University of Minnesota. Minnesota school of mines. Experiment station. Bulletin no. 1.
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| الموضوعات: | |
| التنسيق: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| وصف مادي: | 214 p. illus. (incl. maps, plans) x fold. pl., fold. tables. 23 cm. |
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