USDA Forest Service:
1958. Douglas-fir girdled by bear.
USDA Forest Service:
1963. Deer fence enclosure - note ladder detail. Jim Thompson in hardhat. Marks Creek Summit area, Prineville Ranger District, Ochoco National Forest, Oregon.
USDA Forest Service:
1963. Jim Thompson and deer fence enclosure - note detail. Marks Creek Summit area, Prineville Ranger District, Ochoco National Forest, Oregon.
USDA Forest Service:
1960. Jim Dick (TSO) with a young pine tree killed by pocket gophers. Lava Butte Plantation, Deschutes National Forest, Oregon.
USDA Forest Service:
1960. Pocket gopher damage to the roots of a young dead pine tree. Lava Butte Plantation, Deschutes National Forest, Oregon.
USDA Forest Service:
1963. Bear damage on a Douglas-fir. Willapa Bay area, Washington.
USDA Forest Service:
1963. Bear damage on a Douglas-fir - note the teeth and claw marks from eating the cambium. Willapa Bay area, Washington.
USDA Forest Service:
1964. Dendroctonus monitcolae infested pine heavily attacked by woodpeckers. Baker Ranger District, Wallowa Whitman National Forest, Oregon.
USDA Forest Service:
1974. Monitoring bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Bird house to monitor bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Bird house to monitor bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Baby birds in a nest. Bird house used to monitor bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Monitoring bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Baby bird hatched in the spray project area. Monitoring bird populations for DDT effects. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1984. Gypsy moth egg mass found in a bird's nest in a Douglas-fir tree. Lane County, Oregon.
USDA Forest Service:
2001. Clark's nutcracker on a whitebark pine snag. Crater Lake National Park, Oregon.
USDA Forest Service:
2003. Port Orford cedar girdled by bear. POC technical committee field trip. Powers Ranger District, Rogue River-Siskiyou National Forest, Oregon.
USDA Forest Service:
2004. Forest entomologist Andy Egliits with a fire scorched ponderosa pine killed by western pine beetle. Advanced Insect and Disease training.
USDA Forest Service:
2005. Assessing Deadwood Landscapes: Integrating Aerial Survey Data with the DecAID Advisor.
USDA Forest Service:
2006. Golden eagle. Fort Klamath, Oregon.
USDA Forest Service:
c.2006. Rotten white fir wildlife tree - broken off. Andy Elgitis (left) - Central Oregon Service Center. Lake of the Woods, Oregon.
USDA Forest Service:
c.2006. Rotten white fir wildlife tree - broken off at the top. Helen Maffei ( pathologist, Central Oregon Service Center). Lake of the Woods, Oregon.
USDA Forest Service:
2006. Estimating Snag Densities Using Aerial Survey Data
USDA Forest Service:
2007. Port Orford cedar killed by animal damage. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon.
USDA Forest Service:
2007. Port Orford cedar killed by animal damage. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon.
USDA Forest Service:
2007. Examining dead trees killed by Port Orford cedar root disease (Phytophthora lateralis) and animal damage. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon.
USDA Forest Service:
2007. Port Orford cedar killed by animal damage. Tree is sow number 36 and family 490x503. Part of the 2002 Dorena Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon.
USDA Forest Service:
2010. Clark's nutcracker in whitebark pine. Mt. Hood; Mt. Hood National Forest, Oregon.
USDA Forest Service:
2010. Clark's nutcracker in whitebark pine. Mt. Hood; Mt. Hood National Forest, Oregon.
USDA Forest Service:
c.2012. Avian excavation in sugar pine snag. Southwest Oregon Cascade Mountains.
