APA

Hamel, D., McGregor, M., & States. Forest Service. Northern Region. State & Private Forestry, U. (1974). Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana. Lewis and Clark National Forest, Montana, United States, (Vegetation): Missoula, Mont. : USDA, Forest Service, Northern Region, State & Private Forestry.