Hump Cut
Webster Avenue in the Hump District
Union Arcade Construction- Steel Framing
Hump Cut
David Lawrence and Boy at Dedication
Blueprint Diagram of North Side Point Bridge
Rosenbaum's
Construction on Diamond Street
Surveyor's Transit Apparatus
Union Arcade Construction- Outer Walls
Manchester Bridge
Exterior of the Exposition Building
Sixth Street Scene
Fort Pitt Block House
Diamond Street Hump Cut
South Portal on the Manchester Bridge
Diagram of Manchester Bridge
Manchester Bridge
Diagram of Manchester Bridge
Maeder, Leader and Witherow Buildings
Drink Bubble Up
Hump District
Flood of March 1913
Railway Construction
Hump Removal on Grant Street
Diamond Street
Pittsburgh Exposition
G.C. Murphy Company