Frozen in Time: National Marine Sanctuary Researchers Discover Lost Shipwreck Ironton

Ironton rests hundreds of feet below the surface with its three masts standing and rigging attached to the spars and is magnificently preserved by the cold freshwater of Lake Huron. An anchor rests still attached on the bow of the sunken schooner barge. Photo: NOAA/ Undersea Vehicles Program UNCW

Researchers from NOAA, the state of Michigan, and Ocean Exploration Trust have discovered an intact shipwreck resting hundreds of feet below the surface of Lake Huron. Located within NOAA's Thunder Bay National Marine Sanctuary, the shipwreck has been identified as the sailing ship Ironton. Magnificently preserved by the cold freshwater of the Great Lakes for over a century, the 191-foot Ironton rests upright with its three masts still standing.

“The discovery illustrates how we can use the past to create a better future,” said Jeff Gray, Thunder Bay National Marine Sanctuary superintendent. “Using this cutting-edge technology, we have not only located a pristine shipwreck lost for over a century, we are also learning more about one of our nation’s most important natural resources—the Great Lakes. This research will help protect Lake Huron and its rich history.”

2 news press september 1894 400

Headline from Grand Rapids Press (Grand Rapids, Michigan), Sept. 26, 1894

The Sinking

In September 1894, Ironton sank in a collision that took the lives of five of the ship’s crew. Accounts from the wreck’s two survivors provide details about the loss of the vessel in “Shipwreck Alley”—an area of Lake Huron known for its treacherous waters that have claimed the lives of many sailors.

The 190-foot steamer Charles J. Kershaw departed Ashtabula, Ohio, on Lake Erie, with the schooner barges Ironton and Moonlight in tow. The vessels sailed empty, destined for Marquette, Michigan, on Lake Superior.

At 12:30 a.m. on Sept. 26, while sailing north across Lake Huron under clear skies, Kershaw’s engine failed, leaving the ship without power. A few miles north of the Presque Isle Lighthouse, a strong south wind pushed Moonlight and Ironton toward the disabled steamer. To avoid entanglement and a possible collision, Moonlight’s crew cut Ironton’s tow line, detaching the steamer from the schooner barges.

Ironton’s crew found themselves suddenly adrift in the dark and at the mercy of Lake Huron’s wind-blown seas. Under the direction of Captain Peter Girard, they fought to regain control of the ship, firing up the vessel’s auxiliary steam engine to help set the struggling ship’s sails. Despite their efforts, Ironton, propelled by the wind from astern, veered off course into the path of the southbound steamer Ohio. The 203-foot wooden freighter Ohio was headed to Ogdensburg, New York, from Duluth, Minnesota, loaded with 1,000 tons of grain.

By the time Ironton’s crew spotted the approaching Ohio through the darkness, it was too late—a head-on collision with the steamer was unavoidable. In an interview published by the Duluth News Tribune the following day, William Wooley of Cleveland, Ohio, a surviving crew member of Ironton, recounted his experience.

“At this time we sighted a steamer on our starboard bow. She came up across our bow and we struck her on the quarter about aft of the boiler house. A light was lowered over our bow, and we saw a hole in our port bow and our stem splintered.” (Duluth News Tribune, Sept. 27, 1894)

The two vessels separated after the impact, both fatally damaged. Ironton’s bow tore a 12-foot diameter hole into Ohio’s wooden hull. Heavily laden with cargo, Ohio sank quickly, with all 16 crew escaping on lifeboats. Nearby ships rescued the sailors. The damaged Ironton, however, drifted out of sight of the responding vessels. By the time Captain Girard realized he could not save the ship, Ironton had drifted for over an hour, far from the view of any surrounding vessels.

As the schooner barge slipped swiftly beneath the waves, Ironton’s seven-man crew retreated to their lifeboat. However, in the commotion, no one untied the “painter,” a line that secured the lifeboat to Ironton. Survivor William W. Parry of East China, Michigan, recounted:

“Then the Ironton sank, taking the yawl with her. As the painter was not untied, I sank underwater, and when I came up grabbed a sailor’s bag. Wooley was a short distance from me on a box. I swam to where he was.” (Duluth News Tribune, September 27, 1894)

3 The ROV footage of Ironton

The ROV footage of Ironton hauntingly reveals the lifeboat still lashed to the sunken ship’s stern. A lifeboat that could have saved five men. Photo: NOAA/Undersea Vehicles Program UNCW

Wooley and Parry clung to floating wreckage as they battled the wind and waves in frigid Lake Huron. Within hours the passing steamer Charles Hebard spotted and rescued the men. Lake Huron claimed Captain Girard and four other Ironton crew: Mate Ed Bostwick, Sailor John Pope, and two unidentified sailors.

A Piece of History

The three-masted Ironton represents the fleet of wooden schooner barges that once traversed the Great Lakes as the workhorses of the region’s wheat, coal, corn, lumber, and iron ore trades. The Niagara River Transportation Company built Ironton in 1873 as a towed schooner barge.

Known as the “consort system,” steamers towed one or several schooner barges and enabled companies to transport greater quantities of cargo across the Great Lakes at a lower cost. Either converted from older sailing vessels or purpose-built, schooner barges had masts and sails to save fuel in the towing steam vessel and in case of emergencies where they needed to sail independently. These iconic Great Lakes vessels were a link in the evolution of sail-powered shipping to mechanized transportation systems of the modern world.

4 Historic image of the schooner barge Lizzie A. Law

Historic image of the schooner barge Lizzie A. Law, built in 1875 of similar construction to Ironton. Photo: Thunder Bay Sanctuary Research Collection

Measuring 190 feet, 9 inches in length and 35 feet, 4 inches in breadth, the 772-ton Ironton boasted a carrying capacity of more than 48,500 bushels of grain or 1,250 tons of coal. During the ship’s nearly 22-year career, Ironton changed ownership multiple times, transporting iron ore, grain, and coal between ports such as Buffalo, Cleveland, Marquette, and Duluth.

Ironton’s discovery may answer century-old questions surrounding the ship’s final hours. Sandra Clark, director of the Michigan History Center and co-manager of Thunder Bay National Marine Sanctuary, described the importance of finding historical shipwreck sites such as Ironton: “Discoveries like this are fascinating because they connect people to Michigan’s long history of maritime innovation and commerce. The more we discover, the more we understand the lives of the men and women who worked the Great Lakes.”

Finding Ohio

Although contemporary reports and eye-witness accounts describe the general area of Ironton’s sinking, the exact location remained a mystery for over 120 years. Researchers from NOAA’s Thunder Bay National Marine Sanctuary, the state of Michigan, and Ocean Exploration Trust used cutting-edge oceanographic technology to discover and document the shipwreck.

In 2017, Thunder Bay National Marine Sanctuary and a group of partners led an expedition to survey 100 square miles of unmapped lakebed within the sanctuary. The team discovered the bulk carrier Ohio in approximately 300 feet of water. Despite the large area mapped, the location of Ironton remained a mystery.

5 50 foot research vessel

The team utilized NOAA’s Great Lakes Environmental Research Lab’s RV Storm, a 50-foot research vessel equipped with a multibeam sonar and dedicated to research within the sanctuary. Photo: NOAA

In 2019, researchers from Thunder Bay National Marine Sanctuary set out on a mapping expedition in Lake Huron with Ocean Exploration Trust, the undersea exploration and education organization founded by famed explorer Dr. Robert Ballard, who has explored nearly every corner of the planet. Ocean Exploration Trust brought a team of world-renowned hydrographers and the latest innovation in underwater mapping technology to Michigan, including an autonomous surface vehicle named BEN (Bathymetric Explorer and Navigator).

“Our team is proud to partner with the Office of National Marine Sanctuaries to bring innovative technology and expedition expertise to map the Great Lakes,” said Ballard. “Ironton is yet another piece of the puzzle of Alpena’s fascinating place in America’s history of trade and Thunder Bay National Marine Sanctuary continues to reveal lost chapters of maritime history. We look forward to continuing to explore sanctuaries and with our partners reveal the history found in the underwater world to inspire future generations.”

6 Ben boat

Built and operated by the University of New Hampshire’s Center for Coastal and Ocean Mapping, BEN is a 12-foot, diesel-powered, self-driving boat equipped with a high-resolution multibeam sonar for mapping. Photo: Ocean Exploration Trust/NOAA

The Discovery of Ironton

Armed with the location of Ohio and further research into the weather and wind conditions from the night of the fatal collision, the team defined the area to search, and BEN and RV Storm worked in tandem mapping the lakebed.

As the project came to its final days, the team had successfully mapped a large section of the search area, but Ironton remained undiscovered. The researchers expanded the search area. Persistence and determination were rewarded when the sonar returned an image from the lakebed of an unmistakable shipwreck—and one that matched the description of Ironton. The sonar images provided great detail, but the team had more work to do in order to confirm the identity of the discovered wreck.

7 ironton multibeam 1000

Image of the schooner-barge Ironton as it sits on the lake floor today. This image is a point cloud extracted from water column returns from multibeam sonar. Image: Ocean Exploration Trust/NOAA

Sanctuary Research and Exploration Continues

Thunder Bay National Marine Sanctuary plans to develop educational materials to help tell the story of Ironton and other shipwrecks in the sanctuary, including exhibits and multimedia products. The sanctuary intends to deploy a deep-water mooring buoy at the site of Ironton to mark the shipwreck’s location and help divers visit the wreck site safely.

“The discovery of Ironton inspires us to keep exploring,” said Superintendent Gray. “We will continue to map Thunder Bay National Marine Sanctuary, and this research will ultimately lead to even more discoveries about the Great Lakes and the unique collection of shipwrecks that rest on the lakebed.”

8 Mooring buoys The sanctuary maintains mooring buoys on over 50 shipwreck sites, ranging in depth from 8 feet to more than 300 feet, including Ohio. These buoys not only help visitors locate and safely visit the sites, but they also protect fragile shipwrecks by eliminating the use of anchors on the sites. Photo: NOAA

Project Partners

NOAA and the state of Michigan jointly manage Thunder Bay National Marine Sanctuary. This project was made possible with the support of Ocean Exploration Trust and with technologies from the Center for Coastal and Ocean Mapping, the Great Lakes Environmental Research Laboratory, the University of North Carolina’s Undersea Vehicle Program, and the Great Lakes Water Studies Institute at Northwestern Michigan College. The documentation of the shipwreck Ironton would not have been possible without the dedication of the United States Coast Guard.

9 Members from the June 2021 expedition team Members from the June 2021 expedition team pose on board the USCGC Mobile Bay; the remotely-operated vehicle sits ready for deployment on deck. Photo: Ocean Exploration Trust/NOAA

Stephanie Gandulla is the resource protection coordinator for NOAA’s Thunder Bay National Marine Sanctuary

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