Assessment and response to bark beetle outbreaks in the Rocky Mountain area [electronic resource] : report to Congress from Forest Health Protection, Washington Office, Forest Service, U.S. Department of Agriculture / Safiya Samman, Jesse Logan, technical editors.
Imprint
Fort Collins, Colo. (2150 Centre Ave., Fort Collins 80526) : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, [2000]