1. Pacific Northwest Research Station, USDA Forest Service, Corvallis, OR 97331
2. Forest Health Protection, Region 8, USDA Forest Service, Asheville, NC 28804
3. Forest Health Protection, Region 8, USDA Forest Service, Asheville, NC 28806
4. Southern Research Station, USDA Forest Service, Pineville, LA 71360
5. Rocky Mountain Research Station, USDA Forest Service, Moscow, ID 83843