Entrance to the Fort Pitt Block House
Ninth Street
Grant Street Drawing Plans
Penn Avenue
William Penn Hotel
James L. Thompson & Company
Exchange Alley
Fifth and Ross
Wylie Avenue Gradation Change
Lemon Alley Hump Cat
Tunnel and Wylie
Downtown Buildings
Lemon Alley
Hillman Transportation Co.
City-County Building
Penn Avenue
Fort Pitt Block House
Kelly Lamp Company
Grant Street Construction
Diamond Market
Skyline
Penn Avenue
Hump District
McIlvried Retires
Lighting Exhibit
Sixth St. Bridge
Allegheny County Courthouse
Downtown Public Parking Lot