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. 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: 1924. Spraying lead arsenate on sawfly and needletier infested lodgepole pines. West Yellowstone, Montana.
USDA Forest Service: 1929. Tractor stuck in snow. Tractor was dragging sleds loaded with pine beetle control camp gear over deep snow to the treatment areas. Crater Lake National Park, Oregon.
USDA Forest Service: 1930. Tree in flames. Burning standing tree is one method of insect control. Targhee National Forest, Idaho.
USDA Forest Service: 1939. Extended parachute canopy showing details of design. Okanogan National Forest, Washington.
USDA Forest Service: 1941. Frank Derry, Parachute Instructor-Rigger, instructing prospective smoke jumper in the use of the "drop rig". Simulates landing from chute caught in a snag or other obstacles by use of landing rope. Lolo National Forest, Montana.
USDA Forest Service: 1941. Frank Derry instructs smokejumpers on the use of the 'drop rig'. Lolo National Forest, Montana.
USDA Forest Service: 1941. Smoke jumper wearing complete uniform except gloves, training on the "let-down rig". Lolo National Forest, Montana.
USDA Forest Service: 1945. DDT transfer. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Adding fish oil to lead arsenate concentrate. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Mixing lead arsenate spray. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Adding fish oil to lead arsenate concentrate. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Mixing lead arsenate. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Mixing lead arsenate. Hemlock looper control project. Clatsop County, Oregon.
USDA Forest Service: 1945. Parachute and aircraft escape safety training. Practice in escape training procedures. Lolo National Forest, Montana.
USDA Forest Service: 1945. Twenty-eight foot slotted canopy, bottom view opened in the wind to show size and location of Derry slots. Lolo National Forest, Montana.
USDA Forest Service: 1947. Ground-looped Travelair at airstrip north of Laird Park, Idaho. Douglas-fir tussock moth control project.
USDA Forest Service: 1947. Zimmerly's Travelair 600-B wrecked near Harvard, Iadho. Douglas-fir tussock moth control project.
USDA Forest Service: 1947. Jim Larkin's Stearman wreckage. Douglas-fir tussock moth control project in northern Idaho.
USDA Forest Service: 1947. Spraying trees with orthodichlorobenzine and diesel oil. Black Hills National Forest, South Dakota.
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: 1952. Aerial crews preparing maps and equipment in ready-room before starting the day's run. 1952 Blowdown and Bark Beetle Survey. Eugene, 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.
USDA Forest Service: 1953. "Munger Wreck" - Blue Mountain Air Service spray plane. Western spruce budworm control project. Fox Valley. Malheur Unit. Malheur National Forest, Oregon.
USDA Forest Service: 1953. Pumping allyl alcohol from a drum to prayer tank. Huron-Manistee National Forest, Michigan.
USDA Forest Service: 1954. Aerial detection survey crew being briefed on weather condition. Unknown weather man, Walter J. Buckhorn (with sketch map), pilot John F. Wear, and Ben Spada. Portland International Airport, Oregon.
USDA Forest Service: 1954. Aerial survey crew obtaining flight information. B. Spada (left), unidentified, J.F. Wear and W.J. Buckhorn (with map). Portland International Airport, Oregon.