A protester is escorted away by a Winona County sheriff's deputy
Protester Dan Wilson of Winona, Minn., is escorted away by a Winona County sheriff's deputy during a frac sand protest Monday, April 29, 2013 at Winona's commercial dock on Riverview Drive. At least 40 people were arrested for trespassing and other minor offenses during the protest. (AP Photo/Winona Daily News, Andrew Link)
Read the article: 35 arrested during frack sand protest in Winona, Minn.