Plan of principal underground workings at cripple creek, Colorado
Gorde:
| Egile Nagusiak: | , , |
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| Formatua: | Mapa |
| Hizkuntza: | ingelesa |
| Argitaratua: |
U. S. Geological Survey
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| Etiketak: |
Etiketarik gabe, Izan zaitez lehena erregistro honi etiketa jartzen!
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Antzeko izenburuak: Plan of principal underground workings at cripple creek, Colorado
- Topographic map of the cripple creek district, Colorado
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- 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!