 
			
			
				Riverfront Panorama
			
		 
		
			 
			
			
				Hotel Anderson
			
		 
		
			 
			
			
				Liberty Avenue
			
		 
		
			 
			
			
				Rodgers Sand Company
			
		 
		
			 
			
			
				Diagram of Manchester Bridge
			
		 
		
			 
			
			
				Ross Street Hump Cut
			
		 
		
			 
			
			
				Chatham and Pentland
			
		 
		
			 
			
			
				6th Street and Liberty Avenue
			
		 
		
			 
			
			
				Blueprint Diagram of North Side Point Bridge
			
		 
		
			 
			
			
				Duquesne Way Flooding
			
		 
		
			 
			
			
				Hump Lowering
			
		 
		
			 
			
			
				Demolition on Penn Avenue
			
		 
		
			 
			
			
				View of Golden Triangle
			
		 
		
			 
			
			
				Second Avenue Passenger Railway (Right)
			
		 
		
			 
			
			
				Shippers Packet Company
			
		 
		
			 
			
			
				Hump Properties
			
		 
		
			 
			
			
				Hump Lowering
			
		 
		
			 
			
			
				Candy and Hat Store
			
		 
		
			 
			
			
				Fort Pitt Block House
			
		 
		
			 
			
			
				Widening of Ferry Street
			
		 
		
			 
			
			
				Union Arcade Construction- Outer Walls  (South)
			
		 
		
			 
			
			
				Union Arcade Construction-  Lower Floors and Roof
			
		 
		
			 
			
			
				Ross Street Near Fifth and Sixth Avenues
			
		 
		
			 
			
			
				City-County Building
			
		 
		
			 
			
			
				J. Paul Pfaff's Drug Store
			
		 
		
			 
			
			
				Union Arcade Construction- Outer Walls and Roof
			
		 
		
			 
			
			
				R. Russell & Company
			
		 
		
			 
			
			
				Union Arcade Construction- Steel Framing