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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

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Pedro Miguel locks - Control House

Switchboard ready for test March 19, 1914.

Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

1914