Category:Hemlock looper control

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Media in category "Hemlock looper control"

The following 200 files are in this category, out of 242 total.

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1931. Aerial scene on Naselle showing areas infested with western hemlock looper. Washington. (34088125833).jpg 1,316 × 953; 139 KB
1931. Airplane dusting forest for western hemlock looper control. Pacific and Grays Counties, WA. (34088122933).jpg 1,395 × 1,138; 272 KB
1931. Airplane dusting forest for western hemlock looper control. Pacific and Grays Counties, Washington. (34088120853).jpg 1,268 × 894; 159 KB
1931. Airplane dusting forest for western hemlock looper control. Pacific and Grays Counties, Washington. (34088124553).jpg 1,351 × 1,033; 177 KB
1931. Airplane dusting on Naselle area for forest for western hemlock looper control. Pacific and Grays Counties, Washington. (28268732919).jpg 1,290 × 992; 131 KB
1931. Airplane dusting on Naselle area for forest for western hemlock looper control. Pacific and Grays Counties, Washington. (28268738139).jpg 1,284 × 993; 142 KB
1931. Hemlock looper control project. Naselle area, Washington. (26445156219).jpg 1,275 × 926; 239 KB
1931. Naselle area, showing hemlock looper infested timber lands. Western hemlock looper dusting project. Washington. (39149617515).jpg 1,290 × 921; 197 KB
1931. Naselle area, showing hemlock looper infested timber lands. Western hemlock looper dusting project. Washington. (39337337734).jpg 1,281 × 917; 200 KB
1931. Scene on Naselle showing areas infested with western hemlock looper. Washington. (34088128453).jpg 1,292 × 915; 193 KB
1931. Two airplanes dusting on Naselle area for forest for western hemlock looper control. Pacific and Grays Counties, Washington. (39149614065).jpg 1,289 × 994; 181 KB
1931. Wesley Grey and mechanic. Hemlock looper control project. Pacific and Grays Harbor Counties, WA. (32915735003).jpg 927 × 1,274; 166 KB
1931. Western hemlock looper control project. Pacific and Grays Harbor Counties, WA. (33527450152).jpg 2,161 × 1,420; 288 KB
1931. Western hemlock looper control project. Pacific and Grays Harbor Counties, Washington (33683815805).jpg 2,173 × 1,426; 242 KB
1931. Western hemlock looper control project. Pacific and Grays Harbor Counties, Washington. (32840969974).jpg 2,155 × 1,420; 242 KB
1931. Western hemlock looper control project. Pacific and Grays Harbor Counties, Washington. (33554443171).jpg 2,149 × 1,393; 201 KB
1932. Ground cage for collecting hemlock looper parasites. Naselle, Washington. (34170484844).jpg 927 × 1,315; 162 KB
1932. Ground cage used to trap hemlock looper parasites. Montesano, Washington. (34974273936).jpg 929 × 1,310; 111 KB
1932. Ground cage used to trap hemlock looper parasites. Montesano, Washington. (40712598191).jpg 450 × 535; 86 KB
1932. Hemlock looper cages. (33344417550).jpg 1,317 × 921; 193 KB
1932. Hemlock-spruce stands in Grays Harbor County, Washington. (28268728149).jpg 919 × 1,305; 308 KB
1932. Muslin frame 10 feet square, for collecting hemlock looper droppings. Montesano, Washington. (40669928232).jpg 435 × 494; 58 KB
1932. Young even-aged hemlock stand. Grays Harbor County, Washington. (39337317884).jpg 937 × 1,289; 270 KB
1934. Drawing by de Young shows the life stages of the western hemlock looper, Ellopia fiscellaria var. Lugubrosa Hulst. (34195844084).jpg 1,265 × 1,964; 360 KB
1945. Adding fish oil to lead arsenate concentrate. Hemlock looper control project. Clatsop County, Oregon. (32883085904).jpg 1,173 × 1,085; 188 KB
1945. Adding fish oil to lead arsenate concentrate. Hemlock looper control project. Clatsop County, Oregon. (37511035854).jpg 1,480 × 1,065; 228 KB
1945. Adjusting spinner brush. Hemlock looper control project. Clatsop County, Oregon. (33725560825).jpg 597 × 641; 68 KB
1945. Aerial view of Seaside airstrip. Hemlock looper control project. Clatsop County, Oregon. (33113342780).jpg 1,339 × 1,046; 270 KB
1945. Aerial view showing distant view of Seaside airstrip. Hemlock looper control project. Clatsop County, Oregon. (32653189654).jpg 1,386 × 1,066; 211 KB
1945. Airplane spraying insecticide. Western hemlock looper control project. Clatsop County, Oregon. (34851126322).jpg 1,355 × 1,063; 319 KB
1945. Airplane spraying insecticide. Western hemlock looper control project. Clatsop County, Oregon. (34882759621).jpg 1,330 × 1,121; 261 KB
1945. Airplane spraying insecticide. Western hemlock looper control project. Clatsop County, Oregon. (35014936705).jpg 1,245 × 1,067; 297 KB
1945. Airplane taking off with load of spray. Hemlock looper control project. Clatsop County, Oregon. (34171115594).jpg 1,351 × 1,059; 129 KB
1945. Airplane taking off with load of spray. Hemlock looper control project. Clatsop County, Oregon. (34882793771).jpg 1,387 × 1,041; 173 KB
1945. Airplane taking off with load of spray. Hemlock looper control project. Clatsop County, Oregon. (34974957126).jpg 1,376 × 1,045; 162 KB
1945. Airplane taking off. Hemlock looper control project. Clatsop County, Oregon. (32576451060).jpg 1,448 × 1,084; 198 KB
1945. Axel Brandstrom and Orr examine collecting tray. Hemlock looper control project. Clatsop County, Oregon. (33497002505).jpg 1,344 × 906; 156 KB
1945. Buckhorn putting up spray plot marker. Hemlock looper control project. Clatsop County, Oregon. (32661425930).jpg 516 × 701; 557 KB
1945. Central Aircraft Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32956552325).jpg 1,366 × 931; 159 KB
1945. Collecting tray being examined by Robert L. Furniss. Western hemlock looper control project. Clatsop County, Oregon. (34204022353).jpg 1,379 × 1,055; 306 KB
1945. DDT transfer. Hemlock looper control project. Clatsop County, Oregon. (32832345991).jpg 1,345 × 1,059; 197 KB
1945. Demonstration spraying on hemlock looper project, Clatsop County, Oregon. (34627248550).jpg 1,421 × 1,079; 198 KB
1945. Demonstration spraying on hemlock looper project, Clatsop County, Oregon. (34632713480).jpg 1,409 × 961; 168 KB
1945. Furniss (left) and Buckhorn examine caged hemlock looper larvae. Clatsop County, Oregon. (32887651082).jpg 1,891 × 1,411; 356 KB
1945. Loaded airplane over hemlock looper control area. Clatsop County, Oregon. (32142562123).jpg 1,384 × 1,058; 182 KB
1945. Loaded airplane over hemlock looper control area. Clatsop County, Oregon. (32916381816).jpg 1,383 × 1,045; 219 KB
1945. Loaded plane - hemlock looper control project. Clatsop County, Oregon. (32142411113).jpg 1,433 × 1,106; 146 KB
1945. Loading airplane with lead arsenate. Hemlock looper control project. Clatsop County, Oregon. (32113337214).jpg 1,385 × 1,039; 209 KB
1945. Loading spray plane. Hemlock looper control project. Clatsop County, Oregon. (32832630401).jpg 1,356 × 1,061; 164 KB
1945. Loading Waco spray plane. Hemlock looper control project. Clatsop County, Oregon. (33725557715).jpg 1,148 × 1,067; 156 KB
1945. Mixing lead arsenate spray. Hemlock looper control project. Clatsop County, Oregon. (32142377413).jpg 1,047 × 1,376; 229 KB
1945. Mixing lead arsenate. Hemlock looper control project. Clatsop County, Oregon. (32113674334).jpg 1,444 × 1,111; 214 KB
1945. Mixing lead arsenate. Hemlock looper control project. Clatsop County, Oregon. (32803149712).jpg 1,382 × 1,070; 235 KB
1945. Orr examines a collecting tray. Hemlock looper control project. Clatsop County, Oregon. (33113384550).jpg 876 × 1,373; 209 KB
1945. Seaside airstrip with drums of fish oil and solvent in the foreground. Western hemlock looper control project. Clatsop County, Oregon. (33113362100).jpg 1,375 × 1,044; 176 KB
1945. Seaside and Tillamook Head. Hemlock looper control project. Clatsop County, Oregon. (32576217560).jpg 1,392 × 1,067; 196 KB
1945. Servicing aircraft. Hemlock looper control project. Clatsop County, Oregon. (33725564335).jpg 631 × 637; 59 KB
1945. Servicing airplane. Hemlock looper control project. Clatsop County, Oregon. (32832274291).jpg 1,373 × 1,043; 185 KB
1945. Two airplanes awaiting refill. Hemlock looper project. Clatsop County, Oregon. (32142787833).jpg 1,457 × 1,080; 226 KB
1945. Understory conditions on hemlock looper control area. Clatsop County, Oregon. (39333239104).jpg 947 × 1,326; 268 KB
1945. Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32802826252).jpg 1,373 × 1,029; 196 KB
1945. Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32832115811).jpg 1,381 × 1,051; 187 KB
1945. Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32832183441).jpg 1,388 × 1,039; 190 KB
1945. Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32915996526).jpg 1,374 × 1,050; 208 KB
1945. Waco airplane. Hemlock looper control project. Clatsop County, Oregon. (32916078076).jpg 1,373 × 1,045; 216 KB
1945. Walter J. Buckhorn climbing tree to put up spray plot marker. Hemlock looper control project. Clatsop County, Oregon. (26322690119).jpg 4,748 × 2,986; 3.11 MB
1950. W.J. Buckhorn demonstrates first moss screening step in recovery of hemlock looper eggs. BEPQ. Portland, Oregon. (33335353351).jpg 946 × 1,320; 134 KB
1950. W.J. Buckhorn demonstrates the first step for recovery of hemlock looper eggs. BEPQ. Portland, Oregon. (33335357631).jpg 940 × 1,326; 149 KB
1950. W.K. Coulter inspects egg concentrate for hemlock looper egg recovery. BEPQ. Portland, OR. (33080108630).jpg 935 × 1,318; 126 KB
1962. Moss processing for western hemlock looper eggs. Examining samples using a microscope. Portland, Oregon. (34904048040).jpg 3,599 × 2,384; 4.6 MB
1962. Moss processing for western hemlock looper eggs. Examining samples with a microscope. Portland, Oregon. (36074138021).jpg 5,775 × 4,669; 12.62 MB
1962. Moss processing for western hemlock looper eggs. Grinding moss. Portland, Oregon. (34481355383).jpg 3,600 × 2,378; 3.79 MB
1962. Moss processing for western hemlock looper eggs. Grinding moss. Portland, Oregon. (35161643161).jpg 3,600 × 2,422; 4.29 MB
1962. Moss processing for western hemlock looper eggs. Moss after aspirating. Portland, Oregon. (34903994690).jpg 3,599 × 2,253; 3.79 MB
1962. Moss processing for western hemlock looper eggs. Moss after each processing step. Portland, Oregon. (35125247692).jpg 3,600 × 2,391; 3.99 MB
1962. Moss processing for western hemlock looper eggs. Moss after screening by the Viking Grain Cleaner. Portland, Oregon. (35125233892).jpg 2,378 × 3,600; 4.01 MB
1962. Moss processing for western hemlock looper eggs. Moss after screening. Portland, Oregon. (35125244062).jpg 3,600 × 2,422; 3.92 MB
1962. Moss processing for western hemlock looper eggs. Moss being poured into the Viking Grain Cleaner. Portland, Oregon. (35125112362).jpg 3,600 × 2,422; 4.53 MB
1962. Moss processing for western hemlock looper eggs. Pouring moss into Viking Grain Cleaner. Portland, Oregon. (36208903915).jpg 5,775 × 4,632; 13.7 MB
1962. Moss processing for western hemlock looper eggs. Pouring screened moss into aspirator. Portland, Oregon. (34903728060).jpg 2,289 × 3,600; 3.96 MB
1962. Moss processing for western hemlock looper eggs. Sifting screen. Portland, Oregon. (34903746250).jpg 3,600 × 2,422; 3.94 MB
1962. Moss processing for western hemlock looper eggs. Using a 22 mesh sifting screen. Portland, Oregon. (34447758754).jpg 2,422 × 3,600; 3.59 MB
1962. Moss processing for western hemlock looper eggs. Weighing moss. Portland, Oregon. (35291410815).jpg 2,289 × 3,600; 3.34 MB
1963. "Official" flag of Willapa area hemlock looper control project. Gene Little, project director (left) and Jim Brickell, air officer (right). Western hemlock looper control project in southwest Washington. (32966548371).jpg 1,719 × 1,270; 1,022 KB
1963. "Scrubbing" moss on a washboard to dislodge looper eggs. Western hemlock looper control project. Willapa Bay area, WA. (35161482581).jpg 2,412 × 3,600; 3.78 MB
1963. 'Copter at dawn. Hemlock looper control project. Willapa Bay, WA. (34447974334).jpg 3,600 × 2,242; 3.54 MB
1963. Aerial view of spray area. Phosphamidon spray heliport in foreground and Columbia River in the distance. Western hemlock looper control project in southwest Washington. (32938163272).jpg 4,493 × 4,562; 12.09 MB
1963. Air-to-air view of Hiller 12-E piloted by James Klotz of Evergreen Helicopters, applying Phosphamidon spray. Western hemlock looper control project in southwest Washington. (32711904550).jpg 1,716 × 1,165; 1.19 MB
1963. Air-to-air view of Hiller 12-E piloted by James Klotz, Evergreen Helicopters, during Phosphamidon application. Western hemlock looper control project in southwest Washington. (32967104441).jpg 1,688 × 1,339; 783 KB
1963. An aspirator is used for final moss-egg separation. Western hemlock looper control project. Willapa Bay area, Washington. (34481313843).jpg 2,356 × 3,599; 3.72 MB
1963. Aquatic life on tagged rock. Finn Creek pool population study. Hemlock looper control project. SW WA. (32278554903).jpg 4,396 × 5,824; 13.3 MB
1963. Bell G-2 - Vertex Helicopters. Pilot Jim Hayes. Hemlock looper spray project in SW WA. (33093394715).jpg 1,716 × 1,182; 1.09 MB
1963. Bell G-2 helicopter at helispot on the shore of Willapa Bay. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (33901485194).jpg 1,447 × 1,100; 247 KB
1963. Bell G-2 helicopter being loaded with Thuricide 90-T for application to a 325 acre area on Long Island. Willapa Game Rufuge, Naselle, WA. (33901432254).jpg 1,391 × 1,067; 232 KB
1963. Bell G-2 piloted by Jim Hayes. Spray loaded by Mick O'Meara. Vertex Helicopters (Chehalis, WA). Western hemlock looper control project in southwest Washington. (32278080773).jpg 1,716 × 1,307; 1.35 MB
1963. Bell G-2 spray helicopter leaving helispot to continue spraying experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (33901481114).jpg 1,373 × 1,083; 159 KB
1963. Boat dock where crews embarked to reach the experimental spray area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Willapa National Wildlife Refuge. Naselle, Washington. (34743871265).jpg 1,362 × 1,085; 174 KB
1963. Bob Griffith, Perpetual Forests, in Bell 47-G, with Floyd Buoy on ground. Hemlock looper control project in SW WA. (33092596235).jpg 1,703 × 1,344; 1.41 MB
1963. Caddis fly larvae and other aquatic life on tagged rock located in Finn Creek for pool population study. Western hemlock looper control project in southwestern Washington. (36778913110).jpg 3,600 × 2,289; 2.97 MB
1963. Caddis fly larvae and other aquatic life that were on a tagged rock located in Finn Creek for pool population study. Western hemlock looper control project in southwestern Washington. (37034468061).jpg 3,600 × 2,412; 3.73 MB
1963. Caddis fly larvae from Finn Creek. Pool population study. Western hemlock looper control project in southwest Washington. (32248146794).jpg 1,716 × 1,386; 1.38 MB
1963. Checking dump valves during spray tests for western hemlock looper control project. Yakima, Washington. (35899442682).jpg 3,599 × 2,384; 4.08 MB
1963. Checking spray deposit cards. Western hemlock looper project spray test. Yakama, WA. (34447841014).jpg 3,600 × 2,406; 3.88 MB
1963. Clam digger watches return of helicopter for another load of Bt spray. Willapa Bay, WA. (32277738843).jpg 3,765 × 5,678; 6.14 MB
1963. Clam digger working near Bacillus thuringiensis (Bt) heliport. Western hemlock looper control project. Willapa Bay, WA. (34506137534).jpg 2,393 × 3,600; 1.17 MB
1963. Clam digger working near Bacillus thuringiensis (Bt) heliport. Western hemlock looper control project. Willapa Bay, Washington. (35251305266).jpg 3,600 × 2,289; 4 MB
1963. Clam digger working near Bt heliport. Hemlock looper control project. Willapa Bay, WA. (32277425773).jpg 4,445 × 5,630; 12.04 MB
1963. Clam digger works as Bt helicopter returns for another load. Hemlock looper control project. Willapa Bay, WA. (32965874891).jpg 3,983 × 5,678; 7.87 MB
1963. Clipping 18-inch hemlock twigs with aluminum pole-pruner. Hemlock looper control project. Willapa Game Refuge, Naselle, WA. (33901438104).jpg 1,070 × 1,395; 219 KB
1963. Clipping hemlocks for population mortality analysis. Hemlock looper control project in SW WA. (32710822610).jpg 4,032 × 5,678; 15.04 MB
1963. Coast Oyster Company canneries. Nahcotta, Washington. (34903741390).jpg 3,600 × 2,334; 4.43 MB
1963. Counting looper eggs. Hemlock looper control project. Willapa Bay, Washington. (35251085236).jpg 3,600 × 2,289; 2.94 MB
1963. Cowan Peak lookout, Linda Crawford relaying message. Cowan Peak, WA. (32247920544).jpg 4,493 × 5,654; 11.88 MB
1963. Crawfish population study. Hemlock looper control project. Finn Creek, WA. (33093831815).jpg 1,705 × 1,358; 1.12 MB
1963. Cutthroat trout - population study. Hemlock looper control project. Willapa area, WA. (33093751355).jpg 1,703 × 1,366; 1.21 MB
1963. David Knowlton, project clerk, colors in spray areas on map at project headquarters. Western hemlock looper project in southwest Washington. (32247149654).jpg 1,716 × 1,137; 1.05 MB
1963. David Knowlton, project clerk, tallies up the acreage on a spray progress report. Western hemlock looper control project in southwest Washington. (32936682422).jpg 1,722 × 1,137; 1.26 MB
1963. Deposit of Thuricide 90-T on salal leaves, resulting from helicopter application on 325 acre experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (34359143540).jpg 1,108 × 1,417; 179 KB
1963. Distilled water being poured into petri dish to determine concentration of viable Bt spores. Willapa Game Refuge, Naselle, WA. (34743846615).jpg 1,387 × 1,075; 160 KB
1963. Drying moss to recover looper eggs. Western hemlock looper control project. Willapa Bay area, WA. (35251233006).jpg 2,387 × 3,600; 3.64 MB
1963. Examining a collection tray. Western hemlock looper control project. Naselle, Washington. (35899462482).jpg 2,265 × 3,600; 4.75 MB
1963. Examining hemlock looper larvae in field lab. Western hemlock looper control project. Naselle, WA. (35125119602).jpg 3,600 × 2,396; 4.71 MB
1963. Experimental application of Thuricide 90-T by Bell G-2 helicopter. Hemlock looper control. Long Island, Naselle, Washington. (33901436284).jpg 1,401 × 1,063; 214 KB
1963. Field laboratory at project headquarters. Dennis Dokken (left) and Mark Headings; both USFS. Western hemlock looper control project in southwest Washington. (32710896640).jpg 4,056 × 5,630; 14.36 MB
1963. Field laboratory at project headquarters. Western hemlock looper control project. Willapa Bay area, WA. (34903974770).jpg 2,253 × 3,599; 3.65 MB
1963. Glass slides and paper cards are placed in predetermined positions on log to record Bt spray deposit and coverage. Willapa Game Refuge, Naselle, WA. (34581684522).jpg 1,375 × 1,070; 233 KB
1963. Glass slides, dimension 5x7 inches are taken from carrying box and placed in predetermined locations in openings for exposure to Bacillus thuringiensis spray. Western hemlock looper control. Naselle, Washington. (34359141120).jpg 1,411 × 1,099; 262 KB
1963. Glen "Dizzy" Davis of the Washington State Department of Natural Resources constructs a heliport. Western hemlock looper control project in southwest Washington. (33051435336).jpg 1,709 × 1,355; 1.48 MB
1963. Half-page ad in the Daily Olympian, prior to western hemlock looper control projects. (35125492502).jpg 3,600 × 2,259; 4.38 MB
1963. Harvesting oysters. Willapa Bay, Washington. (34903784550).jpg 3,600 × 2,400; 5.57 MB
1963. Head-on view of Bell G-2 piloted by Jim Hayes of Vertex Helicopters (Chehalis, WA) applying spray. Western hemlock looper control project in southwest Washington. (32278284263).jpg 1,728 × 1,216; 1.31 MB
1963. Helicopter pilot Pat Colgan. Hemlock looper control project. Willapa area, WA. (33093913975).jpg 4,323 × 5,606; 12.16 MB
1963. Helicopter Services Inc. Bell G-3 takes off from heliport. Western hemlock looper control project in southwest Washington. (32278372183).jpg 1,705 × 1,352; 1.18 MB
1963. Helicopter spraying Bt over 325 acre experimental area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (33901487704).jpg 1,445 × 1,109; 422 KB
1963. Helicopter spraying Bt over 325 acre experimental area on Long Island. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (33901490924).jpg 1,441 × 1,103; 175 KB
1963. Helicopter spraying DDT. Western hemlock looper control project in southwest Washington. (35935822781).jpg 3,599 × 2,283; 3.16 MB
1963. Helicopter spraying Phosphamidon. Western hemlock looper control project. Willapa Bay, Washington. (35899472172).jpg 3,600 × 2,289; 2.94 MB
1963. Heliport 25 with Bell G-2 helicopter being loaded. Helicopter Services Inc. Western hemlock looper control project in southwest Washington. (32937814332).jpg 1,703 × 1,371; 1.22 MB
1963. Heliport 25. Bell G-3 and G-2 helicopters. Western hemlock looper control project. Willapa area, WA. (33052255596).jpg 1,703 × 1,371; 1.27 MB
1963. Heliport monitor Gary Thomas (left) discussing project with Jim Klotz, pilot with Evergreen Helicopters. Western hemlock looper control project in southwest Washington. (32279006603).jpg 1,716 × 1,364; 1.16 MB
1963. Heliport monitor, Jack Dunn (Washington State Department of Natural Resources) signals loader to stop filling spray tank. Western hemlock looper control project in southwest Washington. (32278206823).jpg 1,716 × 1,250; 1.28 MB
1963. Helispot used for Bt application was on the shore of Willapa Bay, about two miles west of the Refuge. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (34743875215).jpg 1,381 × 1,109; 188 KB
1963. Hemlock looper control project. Charcoal filter in Finn Creek. Naselle, WA. (32525651270).jpg 4,896 × 3,875; 2.58 MB
1963. Hemlock looper control project. Tom Poland, John Richardson, and Gene Little. Sevin mixing plant. Naselle, WA. (32711041380).jpg 3,876 × 5,583; 12.96 MB
1963. Hiller 12-E helicopter applying Sevin insecticide. Hemlock looper conrol project in SW Washington. (32938231412).jpg 4,488 × 5,719; 14.06 MB
1963. Insecticide spray tests for western hemlock looper control project. Yakima, Washington. (35899466542).jpg 3,599 × 2,402; 4.34 MB
1963. Installing charcoal filter in Finn Creek in an attempt to filter out any DDT. Western hemlock looper control project, Washington. (36778912940).jpg 3,600 × 2,289; 4.49 MB
1963. Installing charcoal filter in Finn Creek in an attempt to filter out any DDT. Western hemlock looper control project. Washington. (35161577351).jpg 3,600 × 2,384; 4.77 MB
1963. Jack Dunn (WDNR) with aerial photos of spray area. Hemlock looper control project in SW WA. (32966386311).jpg 4,443 × 5,629; 12.62 MB
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. (37004676082).jpg 3,599 × 2,253; 3.73 MB
1963. Jack Dunn (WDNR). Use of aerial photographs. Hemlock looper control project. Willapa Bay area, Washington. (34481811333).jpg 2,412 × 3,600; 1.16 MB
1963. Jack Dunn taking wind reading with anemometer. Hemlock looper control project in SW WA. (32937488582).jpg 4,443 × 5,403; 8.95 MB
1963. Jim Brickell (left) in monitoring helicopter with pilot Larry Johnson (USFS). Hemlock looper control project in SW WA. (32792899280).jpg 1,716 × 1,330; 894 KB
1963. Laboratory facilities for culturing Bt were set up in a motel. Clarence G. Thompson pictured. Long Beach, WA. (34743854145).jpg 1,088 × 1,403; 196 KB
1963. Light helicopter used for observation of Bt experimental spraying and chemical insecticide control projects. Western hemlock looper control. Naselle, Washington. (34359168850).jpg 1,406 × 1,085; 319 KB
1963. Linda Crawford relays message to heliport. Hemlock looper control project. Cowan Peak, Wa. (32966616311).jpg 4,445 × 5,606; 12.58 MB
1963. Lloyd Roberts (left) and Norm McGraw of Evergreen Helicopters prepare Phosphamidon spray for loading. Western hemlock looper control project in southwest Washington. (32279086943).jpg 1,699 × 1,369; 1,015 KB
1963. Loader Mick O'Meara, Vertex Helicopters, awaits touchdown of helicopter Bell G-2 piloted by Jim Hayes. Western hemlock looper control project in southwest Washington. (32937280542).jpg 1,698 × 1,329; 1.42 MB
1963. Mark Headings and Dennis Dokken count dead hemlock loopers. Hemlock looper control project in Southwest Washington. (32277667333).jpg 4,008 × 5,654; 13.03 MB
1963. Mixing Sevin in the field. Hemlock looper control project in SW WA. (32277918253).jpg 4,420 × 5,606; 13.15 MB
1963. Mixing Sevin insecticide in the field. Hemlock looper control project in southwest Washington. (32966117671).jpg 1,714 × 1,376; 1.24 MB
1963. Moving fish from Nemah hatchery. Western hemlock looper control project, WA. (34447591334).jpg 2,422 × 3,600; 4.12 MB
1963. Naselle River, Washington. 1963 western hemlock looper control area. (35161451671).jpg 3,599 × 2,393; 5.04 MB
1963. New heliport put into immediate use after completion. Western hemlock looper control project in southwest Washington. (32966163291).jpg 1,725 × 1,355; 1.75 MB
1963. Norm McGrew, Evergreen Helicopters, pouring Phosphamidon into Hiller 12-E tanks. Hemlock looper control project in SW WA. (33018793252).jpg 4,469 × 5,606; 11.92 MB
1963. Numbers were painted on sample trees using a spray can. Each plot consisted of three codominant hemlock trees. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (34359171030).jpg 1,391 × 1,055; 210 KB
1963. Oyster clatch. Western hemlock looper control project. Willapa Bay, WA. (34903732990).jpg 3,600 × 2,289; 3.95 MB
1963. Oyster sampling. Western hemlock looper control project. Willapa Bay, WA. (34481324973).jpg 3,600 × 2,242; 3.26 MB
1963. Perpetual Forests Bell 47-G with pilot Bob Griffith. Floyd Buoy (center) and Gene Little (right). Hemlock looper control project in SW WA. (33092536165).jpg 1,709 × 1,329; 1.51 MB
1963. Perpetual Forests Bell 47-G, piloted by Bob Griffith, about to touch down. Spray loader Floyd Buoy ready with nozzle. Western hemlock looper control project in southwest Washington. (32965577751).jpg 1,714 × 1,302; 1.52 MB
1963. Pilot Bob Griffith of Perpetual Forests takes off in a Bell 47-G. Western hemlock looper control project in southwest Washington. (32247061244).jpg 1,711 × 1,244; 974 KB
1963. Pilot Bob Griffith of Perpetual Forests takes off in a Bell 47-G. Western hemlock looper control project in southwest Washington. (32277542473).jpg 1,711 × 1,239; 1.08 MB
1963. Pilot Jim Hayes prepares for takeoff in Bell G-2 after being loaded by Mick O'Meara. Vertex Helicopters. Western hemlock looper control project in southwest Washington. (32247675304).jpg 1,716 × 1,352; 841 KB
1963. Placing spray deposit cards in stream. Western hemlock looper control project. Nemah, WA. (34481491083).jpg 3,600 × 2,451; 5.65 MB
1963. Pocket anemometer. Winds exceed 5 mph = spray shutdown. Western hemlock looper control project in SW WA. (32278305153).jpg 4,511 × 5,719; 12.05 MB
1963. Pocket anenometer shows wind speeds safe for spraying. Hemlock looper control project. Willapa area, WA. (33093466075).jpg 4,443 × 5,696; 7.91 MB
1963. Preparing live boxes. Stream monitoring. Western hemlock looper control project. Willapa Bay, WA. (35251243216).jpg 2,357 × 3,600; 3.92 MB
1963. Preparing twigs cut by pole-pruner for counting hemlock looper larvae. Willapa Game Refuge, Naselle, WA. (33901442144).jpg 1,395 × 1,065; 244 KB
1963. Radio control center for experimental Thuricide 90-T spraying. Hemlock looper control project on Long Island. Willapa Game Refuge, Naselle, WA. (33901434814).jpg 1,389 × 1,064; 177 KB
1963. Safety inspection of Bell G-2 by James Brickell air officer (left) and Larry Johnson USFS helicopter pilot. Western hemlock looper control project in southwest Washington. (33051991986).jpg 1,709 × 1,276; 1.11 MB
1963. Safety inspection of spray helicopter by Larry Johnson, USFS helicopter pilot (left) with Stan Helwick, Helicopter Services Inc. Western hemlock looper control project in southwest Washington. (32966688961).jpg 1,719 × 1,307; 1.13 MB
1963. Salmon hatchery on Nemah River, southwestern Washington poses challenges in protection of associated forest resources when stands are sprayed for hemlock looper control. Nemah, WA. (34743900005).jpg 2,023 × 1,405; 678 KB
1963. Seining Finn Creek. Hemlock looper control project. Willapa area, WA. (33093970505).jpg 1,709 × 1,371; 1.04 MB
1963. Sevin mixing plant. Western hemlock looper control project. Naselle, Washington. (32965984571).jpg 1,711 × 1,142; 1.35 MB
1963. Sevin mixing plant. Western hemlock looper control project. Naselle, Washington. (35935820431).jpg 3,600 × 2,441; 1.51 MB
1963. Shoalwater Bay, Long Beach, Ilwaco, Washington. 1963 western hemlock looper control area. (35291399905).jpg 3,599 × 2,393; 5.24 MB
1963. Sketch of location of sample plots on Long Island used in experimental field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (34581682912).jpg 1,690 × 1,257; 394 KB
1963. South Bend city welcome sign. South Bend, Washington. (34481455203).jpg 3,600 × 2,259; 4.34 MB
1963. Spray card well-splattered with Sevin insecticide. Hemlock looper control project in southwest Washington. (32938256712).jpg 1,698 × 1,366; 1.42 MB
1963. Spray card well-splattered with Sevin insecticide. Western hemlock looper control project in southwest Washington. (36362324813).jpg 3,600 × 2,289; 3.67 MB
1963. Spray cards set up at the edge of the North Nemah River. Western hemlock looper control project in southwest Washington. (32712298210).jpg 4,488 × 5,606; 14.59 MB
1963. Spray cards set up at the edge of the North Nemah River. Western hemlock looper control project in southwest Washington. (36778912370).jpg 2,384 × 3,600; 4.06 MB
1963. Spray helicopter saftey inspection by Larry Johnson, USFS helicopter pilot. Western hemlock looper control project in southwest Washington. (37004676002).jpg 2,412 × 3,600; 1.08 MB
1963. Spray loader Mick O'Meara runs in with spray hose as Bell G-2 piloted by Jim Hayes touches down. Western hemlock looper control project in southwest Washington. (32247615234).jpg 1,728 × 1,341; 1.47 MB
1963. Spray tank on Bell G-2 helicopter being refilled with Bt mixture at helispot. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (33901483504).jpg 1,430 × 1,070; 184 KB
1963. Spray test for western hemlock looper project. Yakima, Washington. (35899451552).jpg 3,599 × 2,412; 4.48 MB
1963. Technical staff. Western hemlock looper control project. Naselle, Washington. (35899457072).jpg 3,600 × 2,422; 3.64 MB
1963. The research crew landed at this spot on Long Island and hiked into the experimental area. Field test of Bacillus thuringiensis for western hemlock looper control. Naselle, Washington. (34743873115).jpg 1,377 × 1,057; 251 KB
1963. Unloading Sevin insecticide. Western hemlock looper control project. Southwest Washington. (35899469622).jpg 3,600 × 2,289; 3.54 MB
1963. Using a beating sheet to sample hemlock looper. Western hemlock looper control project. Naselle, Washington. (35899458332).jpg 2,415 × 3,599; 1.09 MB

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