 
		 
		 
		Down Under, Part 2: Beaver Creek as it appears today
 
		Plan and profile of proposed Delaware Seventh St. Sewer, 1850
 
		Plan of Pine Street Sewer, 1830
 
		Mill Creek Sewer under construction, 1883
 
		Norman Lofton inspects sewer at Ditman and Sheffield, 1987
 
		Sewer crawler Clarence Baskerville checks tunnel for leaks. He has faced the dangers of working in sewers for past three years, 1971
 
		Norman Lofton inspects sewer at Ditman and Sheffield, 1987
 
		Inspector looking for problems in sewer
 
		Sewer crawler Tom Cross, heading down the manhole at 26th and Grays Ferry, 1982
 
		General view of sewer looking up manhole as other Water Dept. personnel look down.
