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
View of Fairmount Water Works, ca. 1827
Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851
Penn’s Treaty with the Indians (Watson’s Annals)
Penn landing at Chester (Watson’s Annals)