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Hydraulic workings (112)

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Mine name Hydraulic workings
State Colorado
County Summit
Author Ransome, F.L.
View down hydraulic workings of Gold Run toward Delaware Flat. Buffalo Peak and Gore Range in the distance. Breckenridge District. Summit Colorado, County. 1909. Published as 16-A in U.S. Geological Survey Professional paper 75, 1911.
Caption View down hydraulic workings of Gold Run toward Delaware Flat. Buffalo Peak and Gore Range in the distance. Breckenridge District. Summit Colorado, County. 1909. Published as 16-A in U.S. Geological Survey Professional paper 75, 1911.