Sinking screen chamber caisson, Waterworks Park, Detroit water supply system
Description:
View of sinking screen chamber caisson, 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. 53. Date: 11-17-30. Photo by Manning Brothers." Typed on back: "Sinking screen chamber caisson. Note unexcavated core left in place to prevent flow of material under shoe."