Workers assembling boiler economizer, Springwells Station treatment plant during construction, Detroit water supply system
Grab
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."