Real photographic postcard of people swimming in Spring Lake. Seen is a boat on the water with three people in the lake approximately 10 feet to the right of the boat. The lake's shore is visible in the background. Etched into the emulsion along the bottom edge of the image is "Twilight on the Lake/McKennets/Spring Lake." Handwritten in black ink to the left of the image is "Photo by FH./'10." Handwritten on the backside of the image is "Jim, Beamer + 'The Missus'/July - 1910."