Engine House, Belmont Works
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
New Mill House at Fairmount
Water Works Standpipe, 1853
Lancaster/Schuylkill Bridge (Upper Ferry Bridge)
View of Fairmount Water Works, ca. 1827
State Road triple pipeline construction, 1904
Torresdale Conduit work gang, 1906
Upper Roxborough Filter Beds Complete, 1903
Upper Roxborough Filter Bed Construction, 1902