 
		 
		 
		Mill Creek Sewer under construction, 1883
 
		Thomas Run sewer outlet during construction
 
		Bridge Street, intermediate pier, ca. 1896 [Detail]
 
		Bridge Street Draw, intermediate pier, ca. 1896 [detail]
 
		Bridge Street Draw, intermediate pier, ca. 1896
 
		Bridge Street Draw, construction of piers, ca. 1896
 
		Bridge Street Draw, Cofferdam, ca 1896 [Detail]
 
		Bridge Street Draw, looking north, ca. 1896
 
		Bridge Street Draw, Cofferdam, ca. 1896
 
		Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail].
