MADISON, Wis., Sept 23, (AP): The Great Lakes’ frigid fresh water used to keep shipwrecks so well preserved that divers could see dishes in the cupboards. Downed planes that spent decades underwater were left so pristine they could practically fly again when archaeologists finally discovered them. Now, an invasive mussel…Read More
Historians Scramble to Save Great Lakes Shipwrecks from Quagga Mussel Threat
