Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
Centennial Exhibition situation plan, 1876
69th St. Sewer and Culvert across Lansdowne AVe.
Outhouse over the Schuylkill near Pottstown
“Philadelphie,” Bird’s Eye View, 1855
Fairmount Water Works, about 1860
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
Leslie’s Illustrated Newspaper, Schuylkill Flood 1869
Schuylkill steamship excursions ad, 1852
Henry Disston & Sons Keystone Saw Works