Subjects Natural Environment

Black-and-white image of a body of water with trees and shoreline in the far distance

Delaware River at Arch Street from the New Jersey side, 1914

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

Bridge Street Draw, April 19, 1896. [Detail of men]

State House Garden, Philadelphia, 1800

The City and Port of Philadelphia on the River Delaware from Kensington, 1800

Birkinbine Schuylkill Hydrographical Survey 1861-66

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

Outhouse over Schuylkill near Pottstown

Outhouse over the Schuylkill near Pottstown

Fairmount, bird's eye view from Lemon Hill (detail)

Fairmount Park, bird’s eye view from Lemon Hill, detail

Race Bridge, Fair Mount Water Works, 1834 (Graff05.63)

Race Bridge, Fairmount Water Works, 1834

View of Fairmount Water Works, ca. 1827

Lemon Hill and Sedgley Park, Graff Jr., 1851 (Graff05.21)

Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851

New Plan of Philadelphia, John A. Paxton, 1811