MLA

Carlson, Clinton E, and United States. Forest Service. Northern Region. State & Private Forestry. Evaluation of Sulfur Dioxide Injury to Vegetation On Federal Lands Near the Anaconda Copper Smelter At Anaconda, Montana. Anaconda, Deer Lodge County, Montana, United States: Missoula, MT : USDA Forest Service, Northern Region, Division of State & Private Forestry, 1974.