Items

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

Colored ink drawing showing drainage areas and sewer inlets in Philaelphia in the early 19th century

Drainage area plan, early 19th century

Color image showing lines drawn on grass, a road, a small underpass, trees and some caption text

Drawing Dock Creek (2008)

Philadelphia the Manufacturing and Industrial Capital map, 1906

Birkinbine Schuylkill Hydrographical Survey 1861-66

Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine