Neighborhoods South Philadelphia

Black-and-white image of a refinery with smokestacks emitting smoke

A Day in the Ma’sh – Oil Refinery

Black-and-white image of workers in a pit with a sewer opening behind them and text

Frankford Creek: Sad History of an Urban Stream title page

Map of the County of Philadelphia from Actual Survey, 1839 (la000784a)

Map of the County of Philadelphia from Actual Survey, 1843

Centerfold of 1955 brochure depicting the Southeast Sewage Treatment Works

Southeast Sewage Treatment Works diagram, 1955