Workers placing concrete in last lift of north stop log shaft, Waterworks Park, Detroit water supply system
Description:
View of workers placing concrete in last lift of north stop log shaft, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Land tunnel and structures. Contract RC 12. Dravo Contracting Co., contractors. Photo no. 27. Date: 8-11-30. Photo by Manning Brothers." Typed on back: "Placing concrete in next to last lift in north stop log shaft. (Last lift will be about 8 ft.)"
