New dock for Potts Salt and Lumber Co. in Delray neighborhood of Detroit. Double-masted boat in drydock; boathouse across the canal; another building in distance. Tan mat which was later painted blue. Handwritten on mat front: "Potts Salt & Lbre Co; E3." Typed on label on mat front: "New dock about 1898." Handwritten on back: "Potts Salt & Lumber Co."
