Leaded is a timely and deeply researched account of one of the largest environmental disasters in western US history. It examines the origin, evolution, and causes of the harmful environmental and human health effects caused by mining operations in Idaho's Coeur d'Alene Mining District--the "Silver Valley"--from 1885 to 1981. During that period, district mines produced over $5 billion worth of lead, silver, and zinc. The Bunker Hill Company...