Western spruce budworm in Idaho and Montana, 1976 :
status, impacts, and control alternatives for western spruce budworm in Idaho & Montana.

APA Citation

United States. Forest Service. Northern Region. (1976). Western spruce budworm in Idaho and Montana, 1976: status, impacts, and control alternatives for western spruce budworm in Idaho & Montana. Missoula, Mo.: U.S. Dept. of Agriculture, Forest Service, Northern Region, State and Private Forestry, Forest Environmental Protection.

MLA Citation

United States. Forest Service. Northern Region. Western Spruce Budworm In Idaho And Montana, 1976: Status, Impacts, And Control Alternatives for Western Spruce Budworm In Idaho & Montana. Missoula, Mo.: U.S. Dept. of Agriculture, Forest Service, Northern Region, State and Private Forestry, Forest Environmental Protection, 1976.