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A weekly look at life on the Great Lakes, in 90 seconds or less, from IPR News.

Maritime Time: Shipwreck Alley

Multibeam sonar was used to map the location of the Ironton. Photo: Ocean Exploration Trust and NOAA.
Multibeam sonar was used to map the location of the wooden schooner Ironton in March 2023. (Photo courtesy of Ocean Exploration Trust and NOAA.)

There’s a dangerous passage through Lake Huron where many ships lie at the bottom of the sea: “Shipwreck Alley.”

Unpredictable weather, murky fog banks, sudden gales and rocky shores are responsible for more than 100 known shipwrecks. Thunder Bay Sanctuary in Alpena manages the 4,000 acres of water that contains these wrecks.

The Ironton sank in 1894 after it collided with the bulk freighter Ohio. Photo: Ocean Exploration Trust and NOAA.
The Ironton sank in 1894 after it collided with the bulk freighter Ohio. (Photo courtesy of the Ocean Exploration Trust and NOAA)

The sanctuary continues to find new wrecks. The Ironton was discovered in March of 2023 using 3D scanners after years of searching.

Folks can get a glimpse of Michigan history via a glass-bottom ferry that gets you pretty close to these wrecks without diving.

And the sanctuary is active in its efforts to learn more about the waters of Lake Huron. It's currently mapping 4,300 square miles of the sea floor. We'll tell you more about that work and other efforts in future Maritime Time segments.

What other discoveries lie on the lake bed? What cool stories do you have to share related to the Great Lakes?

Let us know through our feedback form.

Tyler Thompson is a reporter at Interlochen Public Radio.