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Miraflores Upper Locks, Looking South, Construction of East Side Wall, Showing Culvert, November 10, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1910
Gatun Dam
Paving Lake Slope. July 2, 1913.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913