Flint Hills Resources and Ducks Unlimited have been working together since 1985 to protect and enhance Minnesota's lakes and wildlife habitat. Flint Hills Resources' support has helped Ducks Unlimited evaluate and manage more than 28,000 acres of wild rice on more than 100 lakes in northern Minnesota, restore and enhance eight large shallow lakes totaling 6,000 acres and permanently protect 1.5 miles of sensitive shoreline and 202 acres of wetlands and grasslands with voluntary conservation easements.