Crane depositing rock on dike, intake lagoon, Detroit water supply system
View of crane depositing rock on dike at intake lagoon for the Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Intake system for additional supply. Intake lagoon. Contract RC-9. Dunbar & Sullivan Dredging Co., contractors. Photo no. 42. Date: 9-18-30. Photo by Manning Brothers." Typed on back: "Placing stone in south dike of lagoon."