
Robert S. Pierson
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Robert S. Pierson Reels
630’ Robert S. Pierson (Lower Lakes Towing) passes under the Blue Water Bridge on a sunny morning. The shadows on the bow are from the bridge. Port Huron, Michigan, November 23, 2025.
Robert S. Pierson Videos
Lake Freighter DROPS 21 Feet at the Soo Locks!

630' Great Lakes freighter Robert S. Pierson (Lower Lakes Towing LTD), locking downbound through the Poe Lock, at the iconic Soo Locks in Sault Ste. Marie, Michigan. The huge ship is lowered 21 feet as she moves down to the level of Lake Huron from the higher elevation of Lake Superior, via the St. Marys River. September 20, 2024.














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