Neighborhoods All of Philadelphia

PWD Celebrates Black History Month

Down Under!

Map of Philadelphia showing Population in year 1920

Map of Philadelphia showing Population in year 1920

Philadelphia Underground, Jan. 29, 1961

“Philadelphia Underground,” Jan. 29, 1961

Sewer Crawlers, Jan. 29, 1961

“Sewer Crawlers,” January 29, 1961

Nine visiting nurses ready for work, ca. 1909

Nine visiting nurses ready for work, ca. 1909

Photo of a woman looking at a jar of raw, untreated sewage

Jar of raw sewage before treatment, 2000