2016.067.005
Print, Photographic
One sepia-toned photograph showing one of the rapid sand filter tanks inside the Springwells Water Treatment Plant in Detroit. The view looks across the top of one of the tanks and shows the concrete tank walls, raised wash water troughs, and sand/gravel filter media on the bottom of the tank. Printed text in the lower right corner shows "6-29-31, 111931" and "City of Detroit, Department of Water Supply, Springwells Station, Bureau of Filtration, Miscellaneous, No. 13, Date: 6-29-31. Photo by Manning Brothers." Typewritten text on the verso shows "No. 6 Filter Gravel in Place."
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