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Isthmian Canal Commission, Pacific Division, Pedro Miguel to Panama Bay, (map of west end of canal, and Excavation Diagram)
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Published on
Sea level section south of Miraflores locks
Looking north towards south Dyke. March, 1913.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913