USDA Forest Service:
1919. Entomological Ranger W.E. Glendinning observes spruce logs on a logging train. Oregon Coast Range.
USDA Forest Service:
1922. Logging area showing slash that will be infested with forest insects. Logging railroad. Antelope project. California.
USDA Forest Service:
1930. Ponderosa pine logs attacked on sides and bottoms by Dendroctonus brevicomis. Klamath Falls, Oregon.
USDA Forest Service:
1936. Donkey and partially-prepared spar tree. Tillamook Burn. Interstate Logging Company.
USDA Forest Service:
1937. Interstate Logging Company donkey. Tillamook Burn, Oregon.
USDA Forest Service:
1937. Fire-killed Douglas-fir. Consolidated Timber Company Railroad. Tillamook Burn, Oregon.
USDA Forest Service:
1939. Fire-killed Douglas-fir. Consolidated Timber Company Railroad. Section 6, Township 1 North, Range 5 West. Tillamook Burn, Oregon.
USDA Forest Service:
1950. Logging train. Plumas National Forest, California.
USDA Forest Service:
1961. Weyerhaeuser Company transporting ponderosa pine logs over their own railroad to the mill at Klamath Falls. This point is near Sycan Marsh; logs are from the Paisley Ranger District, Fremont National Forest, Oregon.
USDA Forest Service:
1961. Weyerhaeuser Company transporting ponderosa pine logs over their own railroad to the mill at Klamath Falls. This point is near Sycan Marsh; logs are from the Paisley Ranger District, Fremont National Forest, Oregon.