Surface plant at entrance to Middle tunnel, Sunnyside Mining and Milling Company, Eureka, Colorado, August, 1931
Date
1931-08Keywords
Materials ropewaysMines and mineral resources -- Colorado -- San Juan County
Mine buildings -- Colorado -- Eureka
Aerial tramways -- Colorado -- San Juan County
Trestles
Sunnyside Mining and Milling Company (Colo.)
Eureka (Colo.)