Negative, Film

Negative (and 1 photograph). Black and white negative showing the interior of a new large diameter sewer tunnel that is under construction. The view shows six workmen who are standing along the bottom of the tunnel in the foreground. Tunnel bracing and construction equipment are visible in the background. An inset label in the lower right corner shows "City of Detroit Contract P.W. 3030-31, East Seven Mile Relief Sewer, Michigan Sewer Construction Co., 11' 6" Dia. Tunnel Bracing - East from Sta. 107+98, Photo No. 20, Date 7-21-60. Photo by Pieronek Studio."