View of freighter "Samuel Mather" entering the Soo Locks. Men, women and children observe ship from sidewalk adjacent to canal; small stone building on left. Printed on front: "Entering Poe Lock, Sault Ste. Marie, Mich., 11877, copr. Detroit Publishing Co." Printed on back: "Phostint card made only by Detroit Publishing Co." Handwritten on back in upper right corner: "8/9/12."
