Amman, G. D. 1989b. Why partial cutting in lodgepole pine stands reduces losses to mountain pine beetle. Pages 48-59 in G.D. Amman, Symposium proceedings: Management of lodgepole pine to minimize losses to the mountain pine beetle. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, General Technical Report INT-262. 119 p.