The Roche-a-Cri Petroglyphs, also known as the Friendship Glyphs, are a Registered Historic Place in Roche-a-Cri State Park, near Friendship, Adams County, Wisconsin. They consist of Oneota rock art, mostly petroglyphs resembling birds, canoes and geometric designs. They were added to the National Register of Historic Places in 1981. The petroglyphs were vandalized by soldiers and area settlers between 1845 and the 1880s, notably Company D of the Wisconsin 1st Cavalry Sharpshooters in 1861.
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Wikipedia https://en.wikipedia.org/wiki/Roche-a-Cri_Petroglyphs
Address Roche-A-Cri State Park, 53934, United States
Coordinates 44°0'2.396" N -89°49'4.585" E
