Item Types Map

A map.

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