A field cloaked in rusty brown grass and scrub trees near the Minnesota River was once the scene of rifle shots, battle yells and death. Now one of the best preserved battle fields from the 1862 Dakota Conflict is being restored to better tell the events of that fateful day. The Minnesota Historical Society plans to install trails and interpretive signs explaining the many perspectives of the war. Minnesota Public Radio's Mark Steil reports: Unless you're a real student of the events of 1862 its difficult to make much sense of what happened at the Birch Coulee battlefield just north of Morton in southwest Minnesota. A granite marker indicates two of