Workers pouring concrete for dock wall, Waterworks Park, Detroit water supply system
View of workers pouring concrete for dock wall, Waterworks Park, Detroit water supply system. Printed on front: "8-14-29." Stamped on back: "Manning Bros., commercial photographers. 504-505 Lincoln Building. Corner State and Park Sts., Detroit, Mich." Typed on back: "Water Works Park. August 14, 1929. Pouring concrete in final section of dock wall at east end of dock. PC-19. Water depth in forms approximately 3'-6".