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Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Burlington Northern Railway, State of Montana, private, and National Forest. A survey by Gallatin National

Creator:: McGregor, Mark D., Oakes, Robert D., Dooling, Oscar J., and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Douglas-fir beetle has increased to epidemic levels in mature-overmature Douglas-fir that has been top killed by western spruce budworm. About 42 trees per acre have been killed in an area at Lyon's Face and 36 trees per acre in other areas along the Madison River during the past 3 years....
Resource Type:: Technical Report
Full Text:: during their examination. LITERATURE CITATIONS Bousfield, Wayne E. R-1 forest insect and disease

Creator:: Dooling, Oscar J., Eder, Robert G., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: MISTLETOE LOSS ASSESSMENTON THE FLATHEAD AND KOOTENAI NATIONAL FORESTS, MONTANA By • Oscar J. Dooling

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Residual Douglas-fir are dwarf mistletoe-infested and pose a threat to regeneration. Felling of these residuals will reduce dwarf mistletoe intensity and increase future volume yields. The benefit/cost ratio at 4 percent for the current rotation is 0.51/1 on the Sula RD and 0.45/1 on the Darby RD (both negative ratios)....
Resource Type:: Technical Report
Full Text:: National Forest. Infested trees and stands are also more vulnerable to attack by other disease organisms

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