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Gatun Upper Locks
Looking out from a Center Wall culvert laying concrete. Oct. 15, 1911.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1911
Pedro Miguel locks - Control House
Switchboard ready for test March 19, 1914.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1914