Fairmount Gardens with the Schuylkill Bridge, 1839
Exploring the Lenapehoking Watershed on Native American Heritage Day
Images from “A Day in the Ma’sh” by Maurice F. Egan, Scribner’s Monthly, July 1881
Frankford Creek: Sad History of an Urban Stream title page
“A Snake That Will Be Straightened Out,” map of Frankford Creek with proposed changes, 1949
Second Street North from Market St. with Christ Church, Philadelphia
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
Duplex Pumping Engine, Belmont Works
Travel through the Philadelphia of a century ago, with a severely erudite guide
View of Fairmount Water Works, ca. 1827