Grant Street Hump Cut
Duquesne Way
Second Avenue Improvements
H.A. Speer Milk Co.
Second Avenue Improvements
Adding Stories to the William Penn
Liberty Bridge
Union Arcade Construction- Fourth Floor
Wylie Avenue
Seventh Avenue Repaving
Hump District
Ross Street Sewer Replacement
Steam Shovel in Hump District
Empire Building
Sixth and Webster Avenues
Diagram of Diamond Square Market
Second Avenue Improvements
North Side of Fifth Avenue
Pittsburgh Exposition
Crossing the Street
Duquesne Way
Track Supports
Corner of Liberty and Fifth Avenues
Wylie and Sixth
Second Avenue
Diamond Street
Second Avenue Improvements
Lemon Alley