Construction workers at south heading of tunnel, Waterworks Park, Detroit water supply system
Description:
View of workers at 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. 67. Date: 2-5-31. Photo by Manning Brothers." Typed on back: "South heading of 15-ft. 6-in. tunnel, looking southward."