South heading of tunnel during construction, Waterworks Park, Detroit water supply system
Description:
View of south heading of tunnel 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. 75. Date: 2-23-31. Photo by Manning Brothers." Typed on back: "South heading of 14-ft. tunnel; looking southward at north end of curve."