Plans of Calumet and Hecla conglomerate mine
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| Hovedforfatter: | |
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| Format: | Kort |
| Sprog: | engelsk |
| Udgivet: |
U. S. Geological Survey
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| Serier: | Professional paper 144 |
| Tags: |
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Lignende værker: Plans of Calumet and Hecla conglomerate mine
- Longitudinal sections of Allouez conglomerate and Keweenaw mine
- Sections showing development along fissures from Ahmeek mine to Pennsylvania mine, Keweenaw counyy, Mich.
- Longitudinal section of forest Lode, evergreen mine
- Development of Minesota fissure and associated Lodes of Michigan mine
- Sections showing development along mass fissure, Ahmeek mine
- General geologic map from Presque isle river to Victoria mine, Michigan