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. 68. Date: 2-6-31. Photo by Manning Brothers." Typed on back: "15'-6" tunnel south heading. View looking north at south bulkhead of air lock. Sta. 39+20."