Plan of principal underground workings at cripple creek, Colorado
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| Glavni autori: | , , |
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| Format: | Karta |
| Jezik: | engleski |
| Izdano: |
U. S. Geological Survey
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| Oznake: |
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Slični predmeti: Plan of principal underground workings at cripple creek, Colorado
- Topographic map of the cripple creek district, Colorado
- General plan and details of minidoka dam and regulating works, minidoka project, Idaho
- General map of proposed little Colorado river project Arizona
- Map of the mining districts of the Western States
- Introduction to reference work.
- Team work wins!