Workers in south stop log shaft, Waterworks Park, Detroit water supply system
Description:
View of construction workers in south stop log shaft, 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. 56. Date: 11-20-30. Photo by Manning Brothers." Typed on back: "South stop-log shaft. Transition heading. Cutting off and filling 5-in. extra heavy brace pipe used in supporting excavation."