FILE - In this Aug. 30, 2006 file photo, Joe Hoagland, left, pushes a canoe through a wild rice bed in White Earth, Minn., as 14-year-old Chris Salazar learns how to harvest the rice by knocking the ... more 
FILE - In this Aug. 30, 2006 file photo, Joe Hoagland, left, pushes a canoe through a wild rice bed in White Earth, Minn., as 14-year-old Chris Salazar learns how to harvest the rice by knocking the grain off the stalks with two sticks. The Minnesota Pollution Control Agency said Wednesday, March 12, 2014 that more data analysis must be done to determine whether it will recommend changes to the state's water quality standards to protect wild rice from sulfates. (AP Photo/Jim Mone, File) less 
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Associated Press | Photo By Jim Mone, File
Wed, Mar 12, 2014 8:42 PM EDT