Building the William Penn
Workers on Lemon Alley
Lumber and River
Manchester Bridge Plans
Snow Conveyor
Second Avenue
Union Arcade Construction
Scott Alley
Wylie Avenue
Hump Cut
9th and Duquesne
Lemon Alley
Jr. Chamber of Commerce
Allegheny County Courthouse and Jail
Hump District
Mellon Bank
Hump Removal on Pentland Street
Radio Tubes 25 Cents
Fifth at Diamond
Ross Street Near Fifth and Sixth Avenues
Diamond Street
Allegheny County Courthouse and Jail
Seventh Street and Penn Avenue
Chaplain-Fulton Manufacturing Co.
Hump District
Diamond Market
Hump District Construction
City Hotel during the Hump Cut