Rivers & Creeks Delaware River

Water, Water Everywhere – Philadelphia Record, 1937-03-14

Black-and-white image of the title page of a government report

Perkiomen Water Supply Surveys, 1866

Map of Philadelphia showing Population in year 1920

Map of Philadelphia showing Population in year 1920

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

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

Philadelphia the Manufacturing and Industrial Capital map, 1906

1779 Philadelphia map

1779 Revolutionary War-era map of Philadelphia and environs

Drawing in blue ink on beige paper depicting reservoir, dam and standpipe heights

Diagram showing heights of reservoirs, dams, standpipes &c, 1894

Sewage collection and disposal plan

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912

Black-and-white newspaper ad advertising "Delightfully Romantic Schuylkill Excursions"

Schuylkill steamship excursions ad, 1852

New Plan of Philadelphia, John A. Paxton, 1811

PWD's Lance Butler holds a flathead catfish caught in the Schuylkill River

PWD’s Lance Butler with an invasive flathead catfish