Map Lovers’ Monday: Water for City Hall
Old News: Two unusual underground rescues
Birch’s Views of Philadelphia, 1800
Sometimes the backside is the best side
The ecology of Center City, Philadelphia (in case you didn’t know there was any)
Drawing Dock Creek
The Manayunk Expressway
Indoor plumbing in mid-19th century Philadelphia
Schuylkill River Harbor Police Report, 1884
Dock Creek Sewer in 1849: A report on its condition made to City Councils