Gravel in filter bed, Filtration Building, Springwells Station, Detroit water supply system
Grab
Description
View of gravel in filter bed, Filtration Building, Springwells Station, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Bureau of Filtration. Miscellaneous. No. 2. Date: 6-1-31. Photo by Manning Brothers." Label on back: "Springwells filtration plant collection system and largest size gravel in a filter bed. June 1, 1931."