Mineral Exploration and Development Atlas of the Upper Mississippi Valley District
From the dataset abstract
Source: Mineral Exploration and Development Atlas of the Upper Mississippi Valley District
Additional Information
| Author | Tweedy, G.A.; Heyl, A.V.; |
|---|---|
| Publication Year | 1952 |
| Series number | WOFR1952-02 |
| Resource Type | Report |
| Physical Description | 52 p. |
| Tags | Driftless Area, Metallic Minerals, Rocks and Minerals |
| ISSN | 1058-1413 |