Forest entomologist Robert E. Dolph with microscope. Photo by: Unknown Date: 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, usda, stateandprivateforestry, 1965, insectanddiseasecontrol, robertedolph,...
Forest entomologist Robert E. Dolph. Photo by: Peter W. Orr Date: February 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, usda, peterworr, stateandprivateforestry, Forest Entomology, robertedolph,...
Mountain pine beetle in ponderosa pine. Bauer Creek, Fremont National Forest, Oregon. Photo by: Robert E. Dolph Date: June 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-598 Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:...
Topics: r6, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, region6,...
Fir engraver damage near Emigrant Springs on Interstate 80. Umatilla National Forest, Oregon. Photo by: Robert E. Dolph Date: 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-721 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, umatillanationalforest, insectanddiseasecontrol, foresthealth,...
Island of ponderosa pine killed by western pine beetle and mountain pine beetle. Fox Prairie, La Grande Ranger District, Wallowa-Whitman National Forest, Oregon. Photo by: Robert E. Dolph Date: May 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-560 Image provided by USDA Forest Service, Pacific Northwest Region,...
Topics: r6, lagranderangerdistrict, usda, stateandprivateforestry, insectanddiseasecontrol,...
Jack Mounts (left/back) and Bob Dolph. Project headquarters. Douglas-fir tussock moth control project. Photo by: Unknown Date: 1974 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. For more information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho....
Topics: defoliation, r6, divisionoftimbermanagement, stateandprivateforestry, 1974, projectentomologist,...
Fir engraver damage near Emigrant Springs State Park. Umatilla National Forest, Oregon. Photo by: Robert E. Dolph Date: Spring 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-591 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, umatillanationalforest, insectanddiseasecontrol,...
L-R: H.B. Rudolph, Jim Dolan, Warren V. Benedict. Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-541 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: hbrudolph, r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol,...
USFS forest entomologist and aerial observer Robert E. Dolph (right) sketch mapping insect and disease activity. Photo by: Unknown (possibly LeRoy Kline) Date: 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection, Aerial Survey Program slide collection. For geospatial data collected during annual aerial forest insect and disease detection surveys see:...
Topics: r6, usda, stateandprivateforestry, fhp, papermap, aerialdetectionsurvey, usfs, forestservice,...
Grasshopper damage. Long Ridge. Chetco Ranger District, Siskiyou National Forest, Oregon. Photo by: Robert E. Dolph Date: October 1970 "Grasshoppers have become a problem on the Siskiyou National Forest east of Brookings. Grasshopper populations emerge in spring and feed on grassy areas adjacent to Douglas fir stands used as seed production areas. By midsummer the native grasses mature leaving hungry grasshoppers without a food source. They move into the adjoining seed production areas...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, 1970, foresthealth, region6,...
Overstocked young ponderosa pine infested with mountain pine beetle. Willow Creek, Fremont National Forest, Oregon. Photo by: Robert E. Dolph Date: December 1964 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-373 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: overstocked, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, r6,...
Mountain pine beetle and Ips in ponderosa pine. La Grande Ranger District, Wallowa-Whitman National Forest, Oregon. Photo by: Robert E. Dolph Date: October 1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-589 Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health...
Topics: r6, lagranderangerdistrict, usda, stateandprivateforestry, insectanddiseasecontrol, truck, region6,...
Sawfly defoliation of knobcone pine stand. Note undamaged ponderosa pine tree to the left of defoliated knobcone pine. Deer Creek Drainage, Diamond Lake Ranger District, Umpqua National Forest, Oregon. Photo by: Robert E. Dolph Date: July 23, 1963 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-125 Image provided by USDA...
Topics: defoliation, r6, usda, stateandprivateforestry, insectanddiseasecontrol, foresthealth, region6,...
Warren V. Benedict in passenger seat in Aero Commander N171Z. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-530 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, aerocommander, foresthealth, region6,...
Overstocked young ponderosa pine infested with mountain pine beetle. Willow Creek, Fremont National Forest, Oregon. Photo by: Robert E. Dolph Date: December 1964 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-372 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: overstocked, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, r6,...
European pine shoot moth. Ken Goeden with the State Agriculture Department. Hermiston, Oregon. Photo by: Robert E. Dolph Date: May 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-604 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, European Pine Shoot Moth, stateandprivateforestry, insectanddiseasecontrol, foresthealth,...
Warren V. Benedict. Silver Lake, Fremont National Forest, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-528 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: id528, r6, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, region6,...
Project entomologist Robert E. Dolph. Douglas-fir tussock moth control project. Photo by: Unknown Date: June 1974 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection housed at the Regional Office in Portland, Oregon. For more information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho....
Topics: aerialspray, usda, stateandprivateforestry, documentation, projectentomologist, fhp, forest...
LeRoy Kline counting Douglas-fir tussock moth larvae. Burns Control Project, Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: June 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-466 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: defoliation, r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol,...
Sawfly defoliation of knobcone pine stand. Deer Creek Drainage, Diamond Lake Ranger District, Umpqua National Forest, Oregon. Note: Same date/place as ID-125, but the year is 1963. Photo by: Robert E. Dolph Date: July 23, 1964 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-127 Image provided by USDA Forest Service, Region...
Topics: defoliation, r6, usda, stateandprivateforestry, insectanddiseasecontrol, 1964, region6,...
J. Rodgers, Robert Dolph, and John Wortendyke. Applying soil for seal on fumigation chamber for Methyl Bromide. Wind River Nursery, Washington. Photo by: Peter W. Orr Date: September 5, 1962 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP Regional Office slide collection; Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, peterworr, stateandprivateforestry, insectanddiseasecontrol, fhp, region6,...
Bob Dolph (standing), Boyd Wickman (seated left) and Galen Trostle (seated right). OR/WA/ID Douglas-fir tussock moth spray project advisory council meeting. La Grande, Oregon. Photo by: Unknown Date: June 1973 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional Office, Portland, Oregon. For more information about this project see: Graham, D.A.; J. Mounts;...
Topics: r6, usda, stateandprivateforestry, advisorycouncil, 1973, sprayproject, region6, galentrostle,...
In an area sprayed with DDT, Robert E. Dolph Jr., project entomologist, checks Douglas-fir tussock moth larva for mortality during the Burns Douglas-fir Tussock Moth Control Project of 1965. Malheur National Forest, Oregon. Photo by: James W. Hughes June 1965 Credit: U.S. National Archives and Records Administration Reference: RG# 95-GP. Records of the Forest Service. General Subject Files. Forest Service Negative Number: 513694 NARA Image: 95-GP-5046-Box0855_023_001_AC Note: "During the...
Topics: defoliation, aerialspray, usda, aerialapplication, stateandprivateforestry, malheurnationalforest,...
Insect ecologist Richard Mason (standing) and forest entomologist Bob Dolph spreading plastic, pre-spray. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: Robert J. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control print collection; Regional Office, Portland,...
Topics: aerialspray, divisionoftimbermanagement, stateandprivateforestry, plot14, insectanddiseasecontrol,...
Ernie Wright, Warren Benedict, H.B. Rudolph, and Jim Dolan. Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Insect and Disease Collection; Regional Office, Portland, Oregon. Image: ID-539 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: hbrudolph, r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol,...
In an area sprayed with DDT, Robert E. Dolph, Jr. project entomologist, checks Douglas-fir tussock moth larva for mortality during the Burns Douglas-fir Tussock Moth Control Project of 1965. Malheur NF, Oregon. Photo by: James W. Hughes Taken: June 1965 Credit: U.S. National Archives and Records Administration Reference: RG# 95-GP. Records of the Forest Service. General Subject Files. Forest Service Negative Number: 513693 NARA Image: 95-GP-5046-Box0855_024_001_AC Note: "During the period...
Topics: defoliation, aerialspray, usda, aerialapplication, stateandprivateforestry, malheurnationalforest,...
Port Orford cedar logs. Flathead and roundhead borer damage. Sawmill in Brookings, Oregon. Photo by: Robert E. Dolph Date: April 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-716 Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, dolph, flatheadedborer, region6,...
Aero Commander N171Z at the Lakeview Airport, Oregon. L-R: Peter Orr, Benton Howard, Warren Benedict, unknown. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-531 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, peterworr, stateandprivateforestry, insectanddiseasecontrol, aerocommander, region6,...
L-R: Warren Benedict, H. Rudoph, Benton Howard, Jim Dolan, Ernie Wright. Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-527 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol, id527, region6,...
L-R: Jim Dolan (Timber Management Assistant - TMA), Warren Benedict, and Benton Howard. On top of Crocket Knob, Long Creek Ranger District, Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-543 Image provided by USDA Forest Service, Region 6,...
Topics: r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol, region6,...
L-R: Peter W. Orr, Benton Howard (holding door), unknown, Warren Benedict. Silver Lake Ranger Station. Silver Lake, Oregon. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-532 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health...
Topics: r6, usda, peterworr, stateandprivateforestry, insectanddiseasecontrol, silverlakerangerstation,...
LeRoy Kline counting Douglas-fir tussock moth larvae. Burns Control Project, Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: June 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-467 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: defoliation, r6, usda, stateandprivateforestry, malheurnationalforest, insectanddiseasecontrol,...
Aborted mountain pine beetle egg gallery in bark treated with cacodylic acid silvicide. Photo by: Robert E. Dolph Date: c.1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-722 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, 1970, dendroctonusponderosae, region6,...
Warren V. Benedict, Benton Howard, and Jack Usher looking at mountain pine beetle damage in lodgepole pine. Bald Mountain, Silver Lake Ranger District, Fremont National Forest, Oregon. For more, see: Dolph, Robert E. 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest...
Topics: r6, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, Cameras,...
Mountain pine beetle in ponderosa pine. Dooley Mountain, Wallowa-Whitman National Forest, Oregon. Photo by: Robert E. Dolph Date: June 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-595 Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, tree, dooleymountain, region6,...
Tagged Douglas-fir tussock moth cocoons. Burns Douglas-fir Tussock Moth Control Project. Malheur National Forest, Oregon. Photo by: Robert E. Dolph Date: June 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-465 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: defoliation, aerialspray, r6, usda, stateandprivateforestry, malheurnationalforest,...
Warren V. Benedict with mountain pine beetle damage in lodgepole pine. Bald Mountain, Fremont National Forest, Oregon. For more, see: Dolph, Robert E. 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection....
Topics: id529, r6, fremontnationalforest, usda, stateandprivateforestry, treedamage,...
L-R: Peter W. Orr, Ken Drahos, Dick Johnson, Warren V. Benedict, Benton Howard, Jack Usher. Bald Mountain, Fremont National Forest, Oregon. For more, see: Dolph, Robert E. 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry,...
Topics: r6, fremontnationalforest, usda, peterworr, stateandprivateforestry, insectanddiseasecontrol,...
L-R: Jack Usher, Paul Stencamp, Warren Benedict, and Ben Howard looking at mountain pine beetle damage in lodgepole pine. Bald Mountain, Silver Lake Ranger District, Fremont National Forest, Oregon. For more, see: Dolph, Robert E., 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA...
Topics: r6, fremontnationalforest, usda, stateandprivateforestry, insectanddiseasecontrol, Cameras,...
Benton Howard (left) and Warren V. Benedict looking at mountain pine beetle damage in lodgepole pine. Bald Mountain, Silver Lake Ranger District, Fremont National Forest, Oregon. For more, see: Dolph, Robert E. 1968. Mountain pine beetle damage in the Pacific Northwest, 1955-1966. USDA Forest Service, Pacific Northwest Region, Division of Timber Management, Insect and Disease Control Branch. Portland, Oregon. 36 p. Photo by: Robert E. Dolph Date: September 1966 Credit: USDA Forest Service,...
Topics: r6, fremontnationalforest, usda, stateandprivateforestry, treedamage, insectanddiseasecontrol,...
Insect ecologist Richard Mason (right) and forest entomologist Bob Dolph spreading plastic, pre-spray. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: Robert J. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control print collection; Regional Office, Portland,...
Topics: defoliation, aerialspray, divisionoftimbermanagement, aerialapplication, stateandprivateforestry,...
