Places Pennsylvania

Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913

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

Scenes on the Wissahickon

Scenes on the Wissahickon Creek (Picturesque America)

Wissahickon near Paper Mill Bridge, 1873

Wissahickon Creek near the Paper Mill Bridge (Picturesque America)

Drive Along the Wissahickon

Drive along the Wissahickon Creek Vallley (Picturesque America)

Sometimes the backside is the best side

Panoramic Manayunk: Views Past and Present

Wheeled robotic sewer crawler in sewer pipe

Still photo from a video sewer inspection, 2000

Map of the County of Philadelphia from Actual Survey, 1843

Outline Map of the County and City of Philadelphia and Vicinity (wd000516)

Outline Map of the County and City of Philadelphia and Vicinity, 1883

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough