Near Iron, Minnesota, waters split along a three-way divide, carrying minerals and contaminants to Hudson Bay, the Great Lakes, and the Gulf of Mexico. Susan B. Ellingson (SB to those who know her) runs a small paper with the help of her best friend and a part-time staff. When a mining company seeks a permit to dig for copper and nickel and store potentially harmful mining waste nearby, SB commits to covering the story. It isn't easy. She...