Workers assembling boiler economizer, Springwells Station treatment plant during construction, Detroit water supply system
Description:
View of workers assembling economizer for boiler in the Springwells Station treatment plant during construction, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Economizers. Contract P.C. 54. Assembling economizer unit no. 2. No. 1. Date: 8-20-31. Photo by Manning Brothers."
