Benton Howard (left) and Warren V. Benedict looking at mountain pine beetle damage in lodgepole pine. Bald Mountain, Silver Lake Ranger District, Fremont National Forest, Oregon.
For more, see: Dolph, Robert E. 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p.
Photo by: Robert E. Dolph
Date: September 1966
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon.
Image: ID-536
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
