View of an advertising card for S.B. Grummond. Printed on front: "S.B. Grummond, owner of first-class tugs for wrecking, raft towing, etc., sixteen steam pumps, rotary & Worthington, improved horizontal, straight base hydraulic jacks. Sub-marine divers, hawsers, lighters, etc. Office and warehouse on dock, foot of First Street, Detroit, Mich. Owner of tugs Winslow, Leviathan, M. Swain, Champion, John Owen, Wm. A. Moore and Oswego. Also steam barge Mary Pringle, with steam hoister and wrecking outfit on board. Office open day and night. Satisfaction guaranteed. Branch offices at Port Huron and Cheboygan, Michigan. Wrecking tug Leviathan, Capt. M. Swain, stationed at Cheboygan, with plenty of wrecking material on board in in warehouse."
