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Bridge 238
Detail of construction of bridge over Perkiomen Creek near the Minnehaha Chopping Mills (also Markley's Mills) Montgomery County, Pennsylvania.
Davis (Photographer), Special Collections/University Archives (Publisher)
Published on
Culebra Cut, Culebra
Bottom of canal, showing steam shovel No. 250 overturned by slide from east slope, June 19, 1913.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913
Culebra Cut, Culebra
Looking north from west bank, showing Cucaracha slide on the right. Suction dredge operating on north and south of slides. Oct. 28, 1913.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913