From Mother Earth News:
The old-growth trees of those far-reaching Northeast lands are forever gone—or are they? Several years ago, Scott Mitchen, cofounder along with Robert “Buz” Holland of the Superior Water-Logged Lumber Co., Inc. in Ashland, Wisconsin, discovered that hundreds of thousands — if not millions — of sunken logs lie preserved on the bed of Lake Superior, remnants of logging operations that stretch back over 300 years. Transported in chain-boomed rafts to sawmills, 20% to 30% of the timber became water-logged and fell to the lake bed, where it is destined to remain. That is, until treasure hunter and shipwreck salvager Scott Mitchen and his team of divers get hold of it. “This,” says Mitchen, “is the biggest treasure we’ve ever found.”
Read more here.