| http://www.w3.org/ns/prov#value | - It can be found in discharges from facilities such as mining operations, wastewater treatment plants and other industrial facilities, according to the Minnesota Pollution Control Agency.As wild rice enthusiasts in canoes harvest this year???s crop across the Northland, researchers are looking to see how much sulfate is too much for wild rice.The results will help determine whether the state should
|
