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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
Pedro Miguel locks - Control House
Switchboard ready for test March 19, 1914.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1914