1963. Drying moss to recover western hemlock looper eggs. Sellwood Lab, Portland, Oregon.
Drying moss to recover western hemlock looper eggs. Sellwood Lab, Portland, Oregon.
Photo by: Unknown
Date: 1963
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Source: Division of Timber Management, Insect and Disease Control Branch print collection. Regional Office; Portland, Oregon.
Image: ID-360
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
1963. Drying moss to recover western hemlock looper eggs. Sellwood Lab, Portland, Oregon.
Drying moss to recover western hemlock looper eggs. Sellwood Lab, Portland, Oregon.
Photo by: Unknown
Date: 1963
Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection.
Source: Division of Timber Management, Insect and Disease Control Branch print collection. Regional Office; Portland, Oregon.
Image: ID-360
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth