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Silver Gate and Terrace Mountain
"This shows the remains of a great cavein which occured centuries ago, after the surface had been undermined by the action of hot water in
Haynes (Photographer), Special Collections/University Archives (Publisher)
1927
Hydraulic Excavation, Miraflores
Dredging Barges. December, 21, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1910