View of numerous steamboats docked at Sault Ste. Marie, Michigan; ships display flags from decks. Printed on front: "Blockade of boats, Sault Ste. Marie, Mich., 6652, Detroit Publishing Co." Printed on back: "Phostint card made only by Detroit Publishing Co." Handwritten on back: "8-12-08, Thank you very much for the postal. I was very much interested in it. My sisters and I are on our way to Duluth and we are now on the beautiful St. Mary's River nearing the 'Soo.' You must have had a fine trip down east. I shall be interested in hearing about it. M.S. Bowles." Card is postmarked August 13, 1908.
