Blue Hills Felsenmeer – Rusk County, Wisconsin
Blue Hills Felsenmeer video: http://www.youtube.com/watch?v=liCg3nqPq6s
Some research about this landform: http://gsa.confex.com/gsa/2007SC/finalprogram/abstract_119778.htm
More research: http://gsa.confex.com/gsa/2006NC/finalprogram/abstract_103007.htm
