View of the Wonder Well and water wheel at Grosse Ile, Michigan. Printed on front: "The Wonder Well and water wheel, Grosse Ile, Michigan." Handwritten on front: "L.S.K., J.J.R. G.R.R., June 1940." Printed on back: "The Artesian Wonder Well, 2375 ft. deep. Natural flow 2,000,000 gallons daily. Temperature 52 degrees, 11 pounds pressure. The home of Wonder mineral water."