MLA

McGregor, Mark D, and United States. Forest Service. Northern Region. State & Private Forestry. Evaluation of a Mountain Pine Beetle Infestation, Shook Mountain, Sula District, Bitterroot National Forest, 1977. : Missoula, MT. : Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry, 1977.