APA

McGregor, M., States. Forest Service. Northern Region. Forest Environmental Protection, U., & States. Forest Service. Northern Region. State & Private Forestry, U. (1975). Evaluation of mountain pine beetle infestations, Lazier and Meadow Creek drainages, Plains District, Lolo National Forest, Montana, 1975. : Missoula, MT. : Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry.