Assembled cutting edges for stop log shafts, Waterworks Park, Detroit water supply system
Grab
Description
View of assembled cutting edges for stop log shafts, Waterworks Park, Detroit water supply system. Wooden fence in background. Printed on front: "City of Detroit. Department of Water Supply. Land tunnel and structures. Contract RC 12. Dravo Contracting Co., contractors. Photo no. 11. Date: 6-2-30. Photo by Manning Brothers." Typed on back: "Steel, cutting edges for stop-log shafts, assembled."