Connection chamber, auxiliary low lift plant, Waterworks Park, Detroit water supply system

View of connection chamber during construction, auxiliary low lift plant, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Auxiliary low lift plant. Photo no. 21. Date: 9-8-30. Photo by Manning Bros." Stamped on back: "Manning Bros., commercial photographers. 504-505 Lincoln Building. Corner State and Park Sts., Detroit, Mich." Typed on back: "Connection chamber: cutting openings in south wall of reservoir no. 1 for delivering raw water through the reservoir in an emergency. Timber bulkheads placed over a year and a half ago keep out water while cutting. Bulkheads to be removed later. Note pipe struts bracing reservoir wall against wall of connection chamber."