Screen chamber caisson, Waterworks Park, Detroit water supply system
Description:
View of screen chamber caisson during construction, 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. 51. Date: 11-12-30. Photo by Manning Brothers." Typed on back: "Screen chamber caisson; sinking caisson by excavating annular trench and leaving a core to prevent heaving of bottom and rapid sinking."