Beveridge, R. L., and R. W. Thier. 1982. HAZ-ARD. A computer program to rate potential for mountain pine beetle activity in lodgepole and ponderosa pine stands in the Intermountain Region. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Forest Pest Management Report 82-11. 6 p.
Beveridge & Thier 1982
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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