This was brought to my attention by one of my Facebook and fellow Ren friends:
http://www.change.org/petitions/minnesota-historical-society-save-and-preserve-the-current-site-of-the-minnesota-renaissance-festival-from-silica-sand-and-gravel-mining?share_id=dAptuHPCqO&utm_campaign=autopublish&utm_medium=facebook&utm_source=share_petition (http://www.change.org/petitions/minnesota-historical-society-save-and-preserve-the-current-site-of-the-minnesota-renaissance-festival-from-silica-sand-and-gravel-mining?share_id=dAptuHPCqO&utm_campaign=autopublish&utm_medium=facebook&utm_source=share_petition)