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Hydraulic Excavation, Miraflores
General View of Lower Lock Site. December 21, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1910
Pedro Miguel locks - Control House
Switchboard ready for test March 19, 1914.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1914