Blown joint at Gratiot Avenue and Seven Mile Road, Detroit water supply system
Grab
Description
View of blown joint at Gratiot Avenue and 7 Mile Rd., Detroit water supply system. Printed on front: "Section 8, District 23. 8" blown joint. Rate 35,000 gal. per day. Location Gratiot & 7 Mi. Rd. 10-14-30." Stamped on back: "Manning Bros., commercial photographers. 504-505 Lincoln Building. Corner State and Park Sts., Detroit, Mich."