USDA Forest Service:
1986. Mountain pine beetle mortality. East Lake. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Region 6 Forest Pest Management Staff.
USDA Forest Service:
1989. Ips pini top kill in ponderosa pine. Warm Springs, Oregon.
USDA Forest Service:
1989. Ips pini top kill in ponderosa pine. Warm Springs, Oregon.
USDA Forest Service:
1989. Western spruce budworm defoliation. Santiam Pass, Oregon.
USDA Forest Service:
1989. Advanced Forest Pest Management training. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Dick Schaefer, RO Timber Management, examines mountain pine beetle in lodgepole pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Mountain pine beetle in lodgepole pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Aerial view of mountain pine beetle in lodgepole pine. Deschutes National Forest. La Pine, Oregon.
USDA Forest Service:
1989. Lodgepole pine trees that died from mountain pine beetle attack. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Mountain pine beetle galleries in lodgepole pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Mountain pine beetle in lodgepole pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Mountain pine beetle in ponderosa pine before thinning. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Ponderosa pine before thinning. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Ponderosa pine stand after thinning. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Slash pile after thinning ponderosa pine stand. Dechutes National Forest, Oregon.
USDA Forest Service:
1989. Thinning ponderosa pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1996. Aerial observers Mike McWilliams (ODF), Yolanda Barnett (USFS), Dave Bridgwater (USFS), and pilot Jack Prukop (ODF). ODF Partenavia N9000V.
USDA Forest Service:
1996. USFS entomologists Bruce Hostetler (left), Roger Sandquist (center) and Andy Eglitis at the 50 Years of Aerial Survey celebration. World Trade Center. Portland, Oregon.
USDA Forest Service:
c.1997. C&C. L-R back: Jeff Moore (WDNR), Dave Bridgwater (FS), Suzanne Wiley (FS), Tim McConnell (FS), Mike McWilliams (ODF), Keith Sprengel (FS), unknown, Dave Overhulser (ODF). Front L-R: Yolanda Barnett (FS), Karen Ripley (WDNR), Roy Magelssen (FS).
USDA Forest Service:
1998. FHP Natural Resources Institute Forest Insect and Disase teaching cadre. L-R back: Paul Flanagan, Dave Bridgwater, Ken Denton, Beth Willhite, Dave Schultz, Diane Hildebrand Front: Ellen Goheen, Susan Frankel, Don Goheen, Katy Marshall, Andy Eglitis.
USDA Forest Service:
2000. Aerial observer Yolanda Barnett. Aerial survey Calibration and Conformity training.
USDA Forest Service:
2000. C&C. Back l-r: Jeff Moore, Jeff Jenkins, Rayburn Mitchell, Mike McWilliams, Keith. Sprengel, Dave Overhulser. Middle l-r: Ellen Goheen, Yolanda Barnett, and Beth Willhite. Front: Carrie Burns and Roy Magelssen.
USDA Forest Service:
2001. Jim Stone. Biological Technician with the Central Oregon Service Center out of Bend, Oregon.
USDA Forest Service:
2002. Jim Hart. Biological Technician with the Central Oregon Service Center. Hazard Tree Training near Sisters, Oregon.
USDA Forest Service:
2002. Three Sisters Wilderness. One of a series of aerial photos taken by Region 6 Forest Service photographer Tom Iraci when he accompanied Forest Health Protection employees on an aerial detection survey flight.
USDA Forest Service:
2002. Three Sisters Wilderness. One of a series of aerial photos taken by Region 6 Forest Service photographer Tom Iraci when he accompanied Forest Health Protection employees on an aerial detection survey flight.
USDA Forest Service:
c.2002. L-R: Helen Maffei, Ben Smith, Beth Willhite. Portland, Oregon.
USDA Forest Service:
2002. Tree failure in snow. Lake of the Woods, Oregon.
USDA Forest Service:
2002. Tree failure in snow. Lake of the Woods, Oregon.
