New exhibit shows off Minnesota petroglyphs
Surrounded by farmland, a quarry and miles of southwestern Minnesota's windswept prairie, Jeffers Petroglyphs can be easy to miss. Thousands of years ago, though, this place was a…
Surrounded by farmland, a quarry and miles of southwestern Minnesota's windswept prairie, Jeffers Petroglyphs can be easy to miss. Thousands of years ago, though, this place was a…