USDA Forest Service:
1930. Hygrothermograph and temporary shelter used in brood studies. Klamath Falls, Oregon.
USDA Forest Service:
1949. Figure 7. FP Radiophone used in communicating with airfield from weather station on spray plot. John F. Wear in photo.
USDA Forest Service:
1949. R. Watson, W.A. Shiley, H. Heer and E. Price waiting for weather information on Mt. Hood western spruce budworm control project. Mt. Hood area, Oregon.
USDA Forest Service:
1949. Mel Hardy contacting weather observers by radio. Western spruce budworm control project. Mt. Hood area, Oregon.
USDA Forest Service:
1954. Weather observer Bob Doctor on Sunset Mountain. Pine Butterfly control project. Boise National Forest, Idaho.
USDA Forest Service:
1956. Mobile weather instruments mounted on vehicle. Spruce budworm control project. Lolo NF, MT.
USDA Forest Service:
1956. Favre Eaton, Assistant Project Officer on western spruce budworm control project, taking wind reading and temperature on area to be sprayed. Wind speed and temperature are controlling factors regarding effective spray application. Helena NF, MT.
USDA Forest Service:
1956. Friez 7-day recording hygrothermograph, measures air temperature and relative humidity. Mt. Baker National Forest, Concrete, Washington.
USDA Forest Service:
1958. Art McKee checks portable weather station. Spruce budworm control project. John Day airstrip, Oregon.
USDA Forest Service:
1958. Art McKee checks portable weather recorder. Spruce budworm control project. John Day airstrip, Oregon.
USDA Forest Service:
1962. Project biologist J.C. Braidwood, measuring wind velocity during the morning spray operation. Western spruce budworm control project. Goldendale, Washington.
USDA Forest Service:
1962. J.C. Braidwood collecting weather information. Western spruce budworm spray project. Goldendale, Washington.
USDA Forest Service:
1963. Pocket anemometer. Winds exceed 5 mph = spray shutdown. Western hemlock looper control project in SW WA.
USDA Forest Service:
1963. Jack Dunn (WDNR) with pocket anemometer showing wind speed is within safe tolerances for spraying. Willapa area hemlock looper control project in southwestern Washington.
USDA Forest Service:
1963. Pocket anenometer shows wind speeds safe for spraying. Hemlock looper control project. Willapa area, WA.
USDA Forest Service:
1963. Jack Dunn taking wind reading with anemometer. Hemlock looper control project in SW WA.
USDA Forest Service:
1966. Dave McComb with hygrothermograph and shelter used for Douglas-fir tussock moth research. Corral Creek Area. Modoc National Forest, California.
USDA Forest Service:
1973. Taking wind speed measurements prior to spray. Douglas-fir tussock moth control test.
USDA Forest Service:
1974. Tom Gregg records data for three different temperature and humidity checks: hygrothermograph; sling slycrometer, and separate thermometer-hygrometer. Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Meteorologist with radio. Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Discussing spray project, with Fire Weather Mobile Stations in background. OR/WA/ID Douglas-fir tussock moth control project.
USDA Forest Service:
1974. Fire weather mobile station. US Department of Commerce, Weather Bureau. Douglas-fir tussock moth control project. Halfway, Oregon.
USDA Forest Service:
1974. Checking wind velocity for spray operation. Douglas-fir tussock moth control project.
USDA Forest Service:
1985. Taking wind speed measurements prior to spray operation. Gypsy moth eradication project. Lane County, Oregon.
USDA Forest Service:
1989. Weather observers Rich Young (left) and Lynn Sullivan checking cards. Western spruce budworm pilot control project. Wallowa-Whitman National Forest. Halfway, Oregon.
USDA Forest Service:
2019. Device to record temperature and humidity - these data will be correlated with SOD spore fall conditions. Field trial to examine genetic variation in resistance to Sudden Oak Death (Phytophthora ramorum). Established near Brookings, Oregon.