| 
Status of mountain pine beetle infestation, Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Mark D McGregor,  1978
Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 (Report - Forest Service, ... Forest Insect and Disease Management) by Dennis R Hamel,  1977
Evaluation of proposed dwarf mistletoe management projects on the Swan Lake Ranger District, Flathead National Forest (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Oscar J Dooling,  1978
Pilot survey to measure annual mortality caused by the mountain pine beetle in lodgepole pine on the Beaverhead, Gallatin and Flathead National Forests ... Forest Insect and Disease Management) by D. D Bennett,  1979
Evaluation of mountain pine beetle infestation, Hebgen Lake Ranger District, Gallatin National Forest, Montana, 1978 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Mark D McGregor,  1979
Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Wayne E Bousfield,  1977
Potential pine butterfly defoliation in 1978 in western Montana (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Scott Tunnock,  1978
Status of mountain pine beetle infestation, Gallatin National Forest, 1976 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Mark D McGregor,  1977
Potential defoliation in 1979 from a ponderosa pine needle miner on the Flathead Indian Reservation and Missoula Valley, Montana (Report - Forest Service, ... Forest Insect and Disease Management) by Scott Tunnock,  1978
A method to predict defoliation of eastern hemlock [tsuga canadensis (L.) Carr], by eastern hemlock looper [lambdina fiscellaria (gn.)] using egg sampling ... / Insect and Disease Management Division) by Henry Trial,  1992
Status of mountain pine beetle infestations, Kootenai National Forest, Montana, 1977 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Mark D McGregor,  1978
Noneffectiveness of R̲i̲b̲e̲s̲ eradication as a control of white pine blister rust in Yellowstone National Park (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Clinton E Carlson,  1978
Survey of insect and disease conditions in forests and shelterbelts, North Dakota, 1977 (Report - Forest Service, Northern Region, Forest Insect and Disease Management) by Thomas H Flavell,  1977
Evaluation of proposed dwarf mistletoe management projects on the White Sulphur Springs Ranger District, Lewis & Clark National Forest (Report - Forest ... Forest Insect and Disease Management) by Oscar J Dooling,  1978 |