Topics Landscape Changes

Photograph of Roberts Mill on Wingohocking Creek in Germantown, built in the late 17th century. (Photograph by J. C. Browne, 1871. Castner Collection/Free Library of Philadelphia)

Roberts Mill, Wingohocking Creek, 1871

Fairmount Park topographical map, showing East Park Reservoir, 1872

Wingohocking Sewer across Penn St.

Wingohocking Sewer across Penn St.

Birkinbine Schuylkill Hydrographical Survey 1861-66

Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine

Duplex Pumping Engine, Belmont Works

Duplex Pumping Engine, Belmont Works