Ice balls washed onto the shore of Lake Superior near Ashland, Wisconsin, on December 5, as the National Weather Service (NWS) said strong winter winds hit communities along the Great Lakes.
The Lake Superior region of America is richer than ... A great number of ancient tools have been found, they all consist of hard stone, with single and double grooves for the reception of handles ...
I have found a Lake Superior agate in Hannibal ... "This actually led me to become a geologist." Spotting these stones takes a trained eye. Sun helps, but so does rain. They become glass-like ...