USDA Forest Service:
c.1895. Root system of a wind-thrown Douglas-fir. Oregon.
USDA Forest Service:
1921. The monarch of the forest laid low in serried ranks. It is estimated that 8 billion board feet of timber was wind thrown in this manner by the cyclone. Olympic National Forest, Washington.
USDA Forest Service:
1921. The Olympic Highway after the windstorm. The amount of labor necessary to clear the road of blowdown can be judged by the cut trunks and stubs on either side. Olympic National Forest, Washington.
USDA Forest Service:
1921. The Olympic Highway looking east from Shear's Mill. The amount of labor necessary to clear the road can be judged by the cut trunks and stubs on either side. Olympic National Forest, Washington.
USDA Forest Service:
1921. Portion of the forest untouched by storm of January 29, 1921. Olympic National Forest, Washington.
USDA Forest Service:
1921. Olympic National Forest blowdown showing portion of the wind thrown timber. Olympic National Forest, Washington.
USDA Forest Service:
1921. Large Douglas-fir uprooted - windthrow. This great Douglas-fir uproot was caused by the tornado and lies alongside the Olympic Highway. This root would almost exactly span the width of a 50' city lot. Olympic National Forest, Washington.
USDA Forest Service:
1944. Sporophore of Fomes laricis on windthrown Douglas-fir, down many years. Stimson Logging Company operation. Tillamook Burn, Oregon.
USDA Forest Service:
1950. Blowdown, Soda Springs Campground. Naches District, Snoqualmie National Forest. Picture shows windfalls in a camp spot area and a crushed camp stove.
USDA Forest Service:
1951. Blowdown caused by December 4, 1951 storm. Millicoma Forest, Coos County, Oregon.
USDA Forest Service:
1951. Blowdown caused by December 4, 1951 storm. Millicoma Forest, Coos County, Oregon.
USDA Forest Service:
1952. Typical Douglas-fir blowdown that gave rise to the Douglas-fir beetle outbreak. Millicoma Forest (Weyerhaeuser Company). Coos County, Oregon.
USDA Forest Service:
1952. Aerial view of 13% blowdown. Prairie Peak. Lane County, Oregon.
USDA Forest Service:
1952. Heavy blowdown on the edge of cutting area near Fish Creek. Lane County, Oregon.
USDA Forest Service:
1952. Heavy blowdown on edge of cutover near Fish Creek. Lane County, Oregon.
USDA Forest Service:
1952. Blowdown associated with clearcutting and heavy thinning. Lincoln County, Oregon.
USDA Forest Service:
1952. Heavy blowdown in an exposed seed block in Lincoln County, Oregon. Seed block is the lee side of low ridge to the right. Wind came from the southwest.
USDA Forest Service:
1952. Windfall associated with clearcutting in Lincoln County, Oregon. The area to the left of the cutting line had been high-graded for Douglas-fir. All but a few of the residual hemlock trees have blown down.
USDA Forest Service:
1952. Heavy blowdown near the Oregon Coast. Spruce-hemlock-fir timber type. Siuslaw National Forest, Oregon.
USDA Forest Service:
1952. Oregon Coast spruce-hemlock-Douglas-fir timber type. Blowdown from southerly storm winds that passed over the ridge to the left and caused heavy blowdown on the top and lee slope of the ridge in the foreground.
USDA Forest Service:
1952. Blowdown in Douglas-fir-Hemlock timber type in Cape Creek. Siuslaw National Forest, Oregon.
USDA Forest Service:
1952. Heavy blowdown associated with clear-cutting. The wind blew from the lower left to the upper right. Coast Range, Oregon.
USDA Forest Service:
1952. Heavy blowdown in Douglas-fir at head of San Antonio Creek. 65% of stand is windthrown. Lane County, Oregon.
USDA Forest Service:
1952. Douglas-fir killed by bark beetles in 1951. NE face of Mary's Peak. Corvallis watershed. Benton County, OR.
USDA Forest Service:
1952. East face of Mary's Peak. Light trees were beetle killed. The beetles bred in 1949-1950 blowdown. Benton County, OR.
USDA Forest Service:
1952. L-R: Peter Orr, R.B. Pope, Ken Wright with Cessna 170B. Blowdown Bark Beetle Survey. Oregon.
USDA Forest Service:
1952. Cessna 170B. 1952 Blowdown and Bark Beetle Survey. Oregon.
USDA Forest Service:
1952. "Flight Baker". L-R: W. Merrick (aerial observer); W.G. Hubbard (aerial observer); C.S. Davis (pilot); M.E. Barber (aerial observer). 1952 Blowdown and Bark Beetle Survey. OR.
USDA Forest Service:
1952. Flight crew, left-to-right: Dave Robinson, Bob Stevens, John Lanz, and unidentified. 1952 Blowdown and Bark Beetle Survey, Oregon.
USDA Forest Service:
1952. A mapping crew putting on parachutes, preparing to survey. Peter W. Orr and Morrie Barber on the left. 1952 Blowdown and Bark Beetle Survey, Oregon.
