USDA Forest Service:
1911. Part of the C.S. and R.S. Moore timber sale area on the Crater National Forest. Showing good brush piling, low stumps, and the trees left in the selection cutting.
USDA Forest Service:
1937. Slash resulting from a group cutting under the 40% light selection system in a small area of rough and limby ponderosa pine trees on the Malheur National Forest, Oregon.
USDA Forest Service:
1939. Spot thinning and pruning project on Lake Wenatchee. Crop tree before treatment, 4 inches d.b.h. and 20 feet in height. Yellow rag around the tree designates release and 8-foot pruning. Wenatchee National Forest, Washington.
USDA Forest Service:
1939. A Brief Review of Forest Insect Problems in the Pacific Northwest. Page 8. Figure 3. Map of Major Projects 1938-1939. Forest Insect Laboratory, Portland, Oregon.
USDA Forest Service:
1941. Ponderosa pine silvicultural selection; area 100% cut. Wolf Creek. Ochoco National Forest, Oregon.
USDA Forest Service:
1941. Ponderosa pine silvicultural selection; area 80% cut. Wolf Creek. Ochoco National Forest, Oregon.
USDA Forest Service:
c.1943. Forester selecting mature pines for cutting. He carefully inspects for overmaturity or other signs of weakness that may predispose the tree to insect or disease attack. All single trees or groups of trees past their prime are harvested.
USDA Forest Service:
1958. Spacing increment study. Taken inside plot 92. Thinning with McCulloch 33 power saw and thinning attachment. Pringle Falls Experimental Forest. Deschutes National Forest, Oregon.
USDA Forest Service:
1958. A dwarf mistletoe infected stand of young ponderosa pine that has been thinned and pruned under the (Agricultural Conservation Program (ACP). Near Cheney, Washington.
USDA Forest Service:
1960. Thinned one acre experimental plot in 70-year Douglas-fir stand. Doulgas-fir beetle attacked decked thinnings, which were sprayed with Ethylene dibromide. Hebo Ranger District, Siuslaw National Forest, Oregon.
USDA Forest Service:
1960. Walter J. Buckhorn (center) conducting "pest training" discussing Ips attack on thinning slash. Wallowa-Whitman National Forest, Oregon.
USDA Forest Service:
1961. Ponderosa pine thinning slash. Considerable killing by Ips oregonis occurred to leave stand. (Thinned December 1960; Ips killing summer, 1961.) Bauer's Creek, Fremont National Forest.
USDA Forest Service:
1963. Ips oregoni. Ponderosa pine thinning slash from "chipper-strip" lying along roadside. This slash was subsequently run through a chipper. Near Calamity Butte, Burns Ranger District. Malheur National Forest.
USDA Forest Service:
1963. Ips oregoni. Ponderosa pine thinning slash from "chipper-strip" lying along roadside. This slash was subsequently run through a chipper. Near Calamity Butte, Burns Ranger District. Malheur National Forest.
USDA Forest Service:
1963. Ken Wright with 18-20 year old spruce-hemlock natural forest being studied for growth characteristics by Crown-Zellerbach. Stand has been thinned. Weevil activity will be recorded on the C-Z plots.
USDA Forest Service:
1965. Thinned stand of ponderosa pine showing the density of slash typically created in the thinning of large sapling and small pole stands. Ebell Creek, Baker District. Wallowa-Whitman National Forest, Oregon.
USDA Forest Service:
1966. Stagnated, pole-size ponderosa pine stand thinned to relieve competition, improve vigor, and reduce beetle susceptibility.
USDA Forest Service:
1980. Forest pathologists. L-R: Alan Kanaskie (Oregon Department of Forestry), Greg Filip, + 2 unidentified. Cache Mountain. Deschutes National Forest, Oregon.
USDA Forest Service:
c.1982. Uneven age management in ponderosa pine. Malheur National Forest, Oregon.
USDA Forest Service:
1989. Ponderosa pine before thinning. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Thinning ponderosa pine. Deschutes National Forest, Oregon.
USDA Forest Service:
1989. Slash pile after thinning ponderosa pine stand. Dechutes 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 stand after thinning. Deschutes National Forest, Oregon.
USDA Forest Service:
1990. Seed tree cut in old growth ponderosa pine stand. Pine Ranger District, Wallowa-Whitman National Forest, Oregon.
USDA Forest Service:
c.2000. L-R: Ken Snell (R6 FHP Director), Brian Tandy (Silviculturist, Sisters Ranger District), and forest pathologist Greg Filip (pink hardhat) with a Shigometer. Suttle Lake, Deschutes National Forest, Oregon.
USDA Forest Service:
2004. Larch Restoration Project sign. Forest Health Protection National meeting field trip. Sisters Ranger District, Deschutes National Forest, Oregon.
USDA Forest Service:
2004. Larch Restoration Project. Forest Health Protection National meeting field trip. Sisters Ranger District, Deschutes National Forest, Oregon.
USDA Forest Service:
2004. Larch Restoration Project. Forest Health Protection National meeting field trip. Sisters Ranger District, Deschutes National Forest, Oregon.
USDA Forest Service:
2004. Larch thinning/mistletoe restoration site. Forest Health Protection national meeting field trip. Sisters Ranger District, Deschutes National Forest, Oregon.
