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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
Culebra Cut, Culebra
Looking north from West bank near Contractors Hill. The water in center cut shows bottom of canal. Dec. 28, 1912.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1912