Paul Stencamp, Dick Johnson, Warren V. Benedict, Peter W. Orr, and Ken Drahos 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-534
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
