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Lateral Culvert Forms and Floor, Miraflores Lock, July, 13, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1910
Sea level section south of Miraflores locks
Looking north towards south Dyke. March, 1913.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913