Cole, D. M. 1989. Preventive strategies for lodgepole pine/mountain pine beetle problems: opportunities with immature stands. Pages 64-69 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.