Highland Park Zoo
Concrete lining on curve.
Aquarium Progress
Haights and Avondale
Highland Park Houses
Deer and Buffalo Paddock at the Highland Park Zoo
Lake Carnegie
Heberton and Grafton
Angle West of Zoo Drive
Highland Park Entrance
Highland Park Entrance
Hill Road Fence
Children on a Zoo Trip
At the Zoo
Highland Park Entrance
Allegheny River
Heberton and Bunkerhill
Hill Road Surface Drain
Cleaning at Highland Reservoir
Highland Park Entrance
Children's Zoo
Haights Run Bridge
Excavation
Highland Park -- Stanton Avenue Entrance
Highland Park Zoo
Highland Park Reservoir
Highland Reservoir No. 2
Excavation and Bracing