Heberton and Bunkerhill
Excavation
Highland Park Reservoir
Highland Park -- Stanton Avenue Entrance
Highland Park Aquarium
Highland Reservoir No. 2
Hill Road Fence
Flamingo at the Zoo
Bears at the Zoo
Concrete Lining
Haights and Avondale
Highland Park Reservoir
Children on a Zoo Trip
Heberton Street Wall
Drawing Plans of Haights Run Bridge
Cleaning at Highland Reservoir
Highland Reservoir No. 1
Highland Park Zoo
Lake Carnegie
Children's Zoo Whale Exhibit
Cleaning Bottom
King House
Highland Reservoir No. 1
Angle West of Zoo Drive
Hill Road and Zoo Drive
Highland Park
Allegheny River
Chislett Street