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Upper Gatun locks, east chamber, looking south. November 1, 1910

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

1910

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Operation of Pedro Miguel Locks

Dredging fleet entering east ca chamber of lock. Looking north. Oct. 24, 1913.

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

1913