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• 1. [Article] Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979

  Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate ...

  Citation × Citation Citation Abstract Copy Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Close