Items

Historic resources from our archives - images, maps, documents, and more.

Two views on the water supply, 1939

The Water Supply Problem of Philadelphia, 1899

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

Perkiomen Water Supply Surveys, 1866

Philadelphia Underground, Jan. 29, 1961

“Philadelphia Underground,” Jan. 29, 1961

Sewer Crawlers, Jan. 29, 1961

“Sewer Crawlers,” January 29, 1961