The United States Forest Service, an agency within the U.S. Department of Agriculture that has existing since more than a hundred years (The Forest History Society, 2011). The purpose of this agency is to manage public forests as well as grasslands. Since the attitudes of the Americans towards nature and natural resources have changed, there has also been an impact on the forests. The United States Forest Service looks after155 national forests and 20 national grasslands which are on an area of 193 million acres (CIA Factbook, 2011). The ...