Girard Avenue Bridge, Fairmount Park, 1895
Bill for Privy Cleaning, 1869
Hudson’s Square – A Place Through Time, Archeological Data Recovery on Block 2 of Independence Mall
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
Fairmount Park, bird’s eye view from Lemon Hill, detail
City of Philadelphia Water Loan Certificate, 1872
