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Bridge over Swatara Creek
Bridge over Swatara Creek two miles south of Highway 422 in Dauphin County, Pennsylvania with arch and truss-type construction.
Davis (Photographer), Special Collections/University Archives (Publisher)
Published on
Culebra cut
Steam shovels at work on slide.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Published on