Melwood Street Wall
Herron Avenue Tunnel
Herron Avenue Tunnel
Melwood Street Wall
Mrs. Colville's House
Polish Hill Steps
Three Men in a Tunnel
Repaving Ridgway Street
30th Street Steps
Herron Avenue Tunnel
Herron Avenue Tunnel
Bigelow Boulevard Properties
28th Street Bridge
Undermining of Brick Sewer
Phelan Way
Melwood Wall and 33rd
Adelaide and Camp Streets
Bigelow Boulevard Properties
Polish Hill Steps
Herron Avenue Tunnel
33rd Street Sewer
Mrs. Colville's House
Herron Avenue Tunnel
Auto Supplies
West Penn Opening
Herron Avenue Tunnel
Bigelow Boulevard Properties
Diagram of 33rd Street Drainage Basin