View of an unidentified mill and mine operation with a conveyor, tailings, and retaining wall in Gilpin County, Colorado. A small bridge extends over the creek.
Gilpin County (Colo.)--1940-1950.; Conveying systems--Colorado--Gilpin County--1940-1950.; Mills--Colorado--Gilpin County--1940-1950.; Mining--Colorado--Gilpin County--1940-1950.
1940
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