Water Bureau Newspaper Scrapbook, 1942-1952
Map Lovers’ Monday: Circles of Destruction
Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy
Old News: Two unusual underground rescues
Birch’s Views of Philadelphia, 1800
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Early photographs of Fairmount and vicinity, 1848
Early visions of Philadelphia’s airport
Frankford Creek Watershed Historical Timeline
Drawing Dock Creek
