Map Lovers’ Monday: Philadelphia Geology, 1881
Water supply survey: Sanitary inspection of tributaries north of Philadelphia, 1884
High Water: An Informal History of Flooding in Philadelphia
Map Lovers’ Monday: New Jersey 1869
Birch’s Views of Philadelphia, 1800
Map Lover’s Monday: Fairmount Park, 1869
Pennypack Park Map
The Discovery Center: The creative reuse of an abandoned city reservoir
Philadelphia from Belmont, West Park (Picturesque America)
Schuylkill River above Belmont (Picturesque America)
