Category:Bark beetle control

Media in category "Bark beetle control"

The following 200 files are in this category, out of 237 total.

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1910. Baker Forest Protective Association control camp. Northeastern Oregon Bark Beetle Control Project. (37317661061).jpg 1,392 × 820; 465 KB
1911. Dr. A.D. Hopkins (center) with control crew examining mountain pine beetle infested ponderosa pine. Northeastern Oregon Bark Beetle Control Project. Miner Creek area, Whitman National Forest, near Sumpter, Oregon. (37317664901).jpg 1,429 × 1,019; 574 KB
1912. Bark beetle control crew moves from Northfork Camp to Cayuse Gulch. Craggy Mountain Bark Beetle Control Project. California. (37061519310).jpg 1,607 × 937; 426 KB
1913. Treating lodgepole logs for bark beetles. These are the infected logs before slashings are thrown on. Limbs from logs should be piled in order to be burned successfully. Ochoco National Forest, Oregon. (37739147975).jpg 1,491 × 957; 322 KB
1916. F.Paul Keen inside Dendroctonus brevicomis (western pine beetle) insect study cage used to force beetles to attack a green log. The upper log is infested with bark beetles. Near Ashland, Oregon. (32812307593).jpg 2,193 × 1,468; 322 KB
1916. P. Sergent with ponderosa pine and Dendroctonus brevicomis (western pine beetle) insect study cage. Muslin cage was used to force beetles to attack freshly-cut yellow pine log. Near Ashland, Oregon. (33469760652).jpg 2,220 × 1,476; 394 KB
1919. Entomological Ranger W.E. Glendinning checking felled spruce infested with spruce beetle. Oregon Coast Range. (32870445253).jpg 2,050 × 1,444; 558 KB
1919. Using a peeling spud to remove tight bark from infested tree. Dendroctonus beetle control. Sequoia National Park, California. (38221716641).jpg 1,426 × 2,193; 384 KB
1920. Felling ponderosa pine. Western pine beetle control. Jenny Creek, Oregon. (33224731180).jpg 1,178 × 1,840; 552 KB
1920. Peeling infested pine bark preparatory to burning. Beetle control. Jenny Creek, Oregon. (32794056893).jpg 1,888 × 1,201; 592 KB
1920. Removing ponderosa pine bark infested with western pine beetle and burning it in a pit to prevent spread of beetle control fire. Western pine beetle control. Jenny Creek, Oregon. (33478888271).jpg 1,886 × 1,196; 522 KB
1920. Spotter identifies ponderosa pine with western pine beetle needing control treatment. The trees were blazed to the sapwood. Serial number of tree (C 60) is put on blaze with a lumber crayon. Jenny Creek, Oregon. (33224744340).jpg 1,220 × 1,831; 466 KB
1920. Sun-curing ponderosa pine bark for western pine beetle control in ponderosa pine. San Joaquin experimental project. Sierra National Forest, California. (35960067470).jpg 1,759 × 1,052; 598 KB
1921. Burning a large yellow pine tree infested with western pine beetle to kill the beetle broods. Antelope Control Project, California. (32765234434).jpg 2,201 × 1,382; 292 KB
1921. Peeling a large ponderosa pine for beetle control. (36356873085).jpg 1,167 × 852; 237 KB
1921. Peeling bark to control western pine beetle. Antelope Control Project. Southern Oregon Northern California. (33567488456).jpg 2,167 × 1,463; 402 KB
1922. Beetle control camp near Owens Ranch, Area 3. Southern Oregon Northern California (SONC) control project. (37510798154).jpg 1,771 × 1,177; 377 KB
1922. Compassman at work in the field. Western pine beetle control. Number 3. Southern Oregon Northern California control project. (33479007721).jpg 1,052 × 1,648; 336 KB
1922. Crew camp. Southern Oregon Northern California western pine beetle control project. (32793980643).jpg 1,239 × 690; 199 KB
1922. Felling bark beetle infested ponderosa pine for treatment. SONC beetle control project. (32765043274).jpg 1,192 × 1,744; 548 KB
1922. Screened cage used in artificially attracting Dendroctonus brevicomis to healthy ponderosa pine tree. Jenny Creek, Oregon. (26445324829).jpg 1,646 × 1,046; 393 KB
1922. Screened cage used in artificially attracting Dendroctonus brevicomis to healthy ponderosa pine tree. Jenny Creek, Oregon. (26445328159).jpg 1,436 × 2,111; 378 KB
1922. Spotter tagging infested tree for treatment. Tree record card is left in an envelope and attached to the tree. Treating crew notes time and method of treatment and brings the card in. SONC beetle control project. (33567238216).jpg 1,234 × 1,887; 533 KB
1922. Two logs peeled and ready to burn for control of western pine beetle. Southern Oregon Northern California (SONC) control project. (35960061410).jpg 1,759 × 1,090; 338 KB
1922. W.L. Jones (left) and F.P. Keen with a treated tree. Southern Oregon Northern California western pine beetle control project. (36188302242).jpg 1,182 × 1,827; 562 KB
1922. Wash on the line. Insect control Camp 33. Southern Oregon Northern California (SONC) beetle control project. (33451137012).jpg 1,172 × 1,762; 481 KB
1923. A group of four ponderosa pine killed by western pine beetle in 1921. Trees treated in 1922 next to them. Southern Oregon Northern California (SONC) control project. Klamath Indian Reservation. (32764800754).jpg 1,459 × 2,155; 297 KB
1923. Area 2 survey crew at Chipmunk Springs. Bly Unit. Klamath Indian Reservation. Southern Oregon Northern California control project. (32793465943).jpg 2,156 × 1,409; 323 KB
1923. Area 2 survey crew. Chipmunk Springs, Bly Unit, Klamath Indian Reservation. SONC control project. (33705886376) (cropped).jpg 1,853 × 1,106; 331 KB
1923. Area 2 survey crew. Chipmunk Springs, Bly Unit, Klamath Indian Reservation. SONC control project. (33705886376).jpg 2,400 × 1,556; 448 KB
1923. Area 3, Barnes Valley Unit, about 15 miles SE of Bly. L-R Oz Hogue, Fred Zumbrun, Harry Wise and F.P. Keen. Southern Oregon Northern California control project. (36496302943).jpg 936 × 604; 139 KB
1923. Bernie Zollman and C.R. King burning peeled log to control western pine beetle in Area 1. Southern Oregon Northern California cooperative beetle control project. (36356865035).jpg 1,888 × 1,225; 358 KB
1923. Burning a felled and peeled tree for insect control. Area 2, Southern Oregon Northern California (SONC) control project. (33451006272).jpg 1,719 × 1,220; 516 KB
1923. Burning ponderosa pine log to control western pine beetle. Area 2. Southern Oregon Northern California cooperative control project. (33566998986).jpg 2,239 × 1,387; 373 KB
1923. Burning small trees in piles to control western pine beetle. Southern Oregon Northern California cooperative control project. (36220071401).jpg 1,766 × 1,163; 536 KB
1923. Burning to control western pine beetle. The end of the log says, "250 Years Old Killed by Beetle in One Year". Southern Oregon Northern California cooperative control project. (33450966922).jpg 1,894 × 1,222; 425 KB
1923. Camp 23, Area 2. Southern Oregon Northern California beetle control project. (32813933863).jpg 1,774 × 1,180; 340 KB
1923. Camp 28. Calico Springs, Area 2. Southern Oregon Northern California beetle control project. (33478572901).jpg 1,192 × 1,750; 427 KB
1923. Campfire scene. Hay Creek Unit. Southern Oregon Northern California beetle control project. (33627747105).jpg 1,765 × 1,174; 473 KB
1923. Control camp at Pole Flat. Meryl Creek Unit. Southern Oregon Northern California beetle control project. (37263451064).jpg 1,239 × 1,725; 272 KB
1923. Eastern Oregon Accommodations; Area 3, Barnes Valley Unit, about 15 miles SE of Bly. Southern Oregon Northern California (SONC) control project. (36911747260).jpg 1,743 × 1,011; 415 KB
1923. Felled and peeled ponderosa pine ready to burn for insect control. Southern Oregon Northern California beetle control project. (32793665663).jpg 1,178 × 1,838; 614 KB
1923. Felling a group of beetle killed trees. Southern Oregon Northern California (SONC) western pine beetle control project. (36356853475).jpg 1,765 × 1,165; 342 KB
1923. Felling a sugar pine infested with mountain pine beetle. Southern Oregon Northern California (SONC) control project. (33566812056).jpg 1,244 × 1,893; 407 KB
1923. Green Springs Highway. Crater National Forest. Southern Oregon Northern California beetle control project. (36188297442).jpg 1,220 × 1,661; 494 KB
1923. Logging slash on Antelope project. (38166252476).jpg 1,619 × 1,019; 310 KB
1923. Looking down the Klamath River Canyon. Southern Oregon Northern California (SONC) beetle control project. Klamath National Forest. (26445286879).jpg 1,706 × 1,103; 307 KB
1923. Making a fireline to burn for insect control treatment. Southern Oregon Northern California (SONC) western pine beetle control project. (33607359695).jpg 1,235 × 1,900; 342 KB
1923. Peeling a ponderosa pine for treatment. Southern Oregon Northern California western pine beetle control project. (35548499933).jpg 1,874 × 1,225; 410 KB
1923. Peeling infested trees as part of the western pine beetle control process. Southern Oregon Northern California control project. (33607481205).jpg 1,747 × 1,174; 559 KB
1923. Peeling ponderosa pine for burning treatment. Southern Oregon Northern California (SONC) western pine beetle control project. (36188281222).jpg 1,768 × 1,174; 327 KB
1923. Peeling ponderosa pine for control western pine beetle. Area 2. SONC control project. (33224400330).jpg 1,682 × 1,205; 360 KB
1923. Ponderosa pine infested with western pine beetle, peeled and ready to be burned. Southern Oregon Northern California control project. (38221587461).jpg 1,798 × 1,180; 487 KB
1923. Sawyers felling a ponderosa pine for treatment. SONC control project. Note holes in bark indicating beetle removal by woodpeckers. (33607526375).jpg 1,102 × 1,780; 466 KB
1923. Sawyers felling a ponderosa pine for treatment. Southern Oregon Northern California pine beetle control project. (33224162660).jpg 1,211 × 1,851; 584 KB
1923. Sawyers felling a ponderosa pine for treatment. Southern Oregon Northern California western pine beetle control project. (33607949295).jpg 1,249 × 1,826; 452 KB
1923. Scene looking down Klamath River Canyon. Southern Oregon Northern California (SONC) beetle control project. Klamath National Forest. (26445285069).jpg 1,263 × 1,703; 365 KB
1923. Snow scene. Spring control, Area 3. Southern Oregon Northern California (SONC) pine beetle control project. Fremont National Forest, Oregon. (26445291159).jpg 1,233 × 1,708; 502 KB
1923. Snow scene. Spring control, Area 3. Southern Oregon Northern California (SONC) pine beetle control project. Fremont National Forest, Oregon. (37510792344).jpg 1,120 × 1,710; 312 KB
1923. Summer burning for beetle control. Chiquito Basin. Sierra National Forest, California. (37510808884).jpg 1,483 × 1,025; 365 KB
1923. Treating a group of ponderosa pine infested with western pine beetle. Southern Oregon Northern California (SONC) control project. (32764814084).jpg 1,760 × 1,168; 483 KB
1923. Trout Creek Unit, Area 2. One of 46 units comprising the Southern Oregon Northern California cooperative control project. One of twelve treated during the spring of 1923. Klamath Indian Reservation. (33566893196).jpg 1,781 × 1,189; 289 KB
1923. Trucks with lumber. Main Street parade. Klamath Falls, Oregon. (37263453804).jpg 1,792 × 1,180; 232 KB
1923. Winter camp. Area 1, Camp 15. SONC beetle control project. Crater National Forest. (33450795422).jpg 1,910 × 1,235; 325 KB
1924. Cooks at Camp 1-C. Kaibab National Forest, Arizona. (37942831642).jpg 1,799 × 1,205; 343 KB
1924. Dead forest above Tenaya Lake; trees killed by Dendroctonus monticolae. Yosemite National Park, California. (38189657482).jpg 950 × 1,316; 329 KB
1924. Fall beetle control camp. Dry Park. Kaibab National Forest, Arizona. (34953101156).jpg 957 × 628; 142 KB
1924. Fall beetle control camp. Dry Park. Kaibab NF, AZ. (32883460124).jpg 1,808 × 1,181; 395 KB
1924. Felled trees for insect control work in the pine type. Kaibab National Forest, Arizona. (37510751094).jpg 1,784 × 1,169; 480 KB
1924. Felled trees for insect control work in the pine type. Kaibab National Forest, Arizona. (38221581381).jpg 1,792 × 1,153; 556 KB
1924. Looking across Moquitch Canyon. Mountain pine beetle infestation in background. Kaibab National Forest, Arizona. (38221584071).jpg 1,921 × 1,198; 368 KB
1924. Peeling logs in control of Dendroctonus ponderosae. Kaibab National Forest. Arizona. (33344408010).jpg 1,781 × 1,178; 376 KB
1924. Pine trees felled in control of mountain pine beetle (Dendroctonus ponderosae). Kaibab National Forest, Arizona. (38189689072).jpg 1,910 × 1,178; 554 KB
1924. Ponderosa pine trees felled to stop the advancement of mountain pine beetle (Dendroctonus ponderosae). Kaibab National Forest, Arizona. (38189686222).jpg 1,783 × 1,159; 493 KB
1924. Trees spotted and tagged for control of mountain pine beetle (Dendroctonus ponderosae). Kaibab National Forest, Arizona. (38221575501).jpg 1,793 × 1,226; 423 KB
1925. Barbering at Greenland Plateau. Bark beetle control camp. Grand Canyon National Park; Kaibab National Forest, Arizona. (34182555013).jpg 623 × 948; 123 KB
1925. Barbering at Greenland Plateau. Bark beetle control camp. Grand Canyon National Park; Kaibab National Forest. Arizona. (34992967755).jpg 952 × 626; 137 KB
1925. Bark beetle control camp. Blackman's Corral, Mile-and-a-Half. Kaibab National Forest, Arizona. (34150214084).jpg 1,897 × 1,225; 508 KB
1925. Control Crew. Greenland Plateau. Bark beetle control camp. Grand Canyon National Park. (33626293125).jpg 1,907 × 1,208; 270 KB
1925. Field laboratory at Three Lakes. Kaibab control project. Kaibab National Forest, Arizona. (26199491719).jpg 621 × 930; 141 KB
1925. Field laboratory at Three Lakes. Kaibab control project. Kaibab National Forest, Arizona. (34150227114).jpg 575 × 919; 161 KB
1925. Greenland Plateau beetle control camp. Grand Canyon National Park, Arizona. (26199490009).jpg 948 × 615; 143 KB
1925. Group of entomologists at Mile-and-a-Half. L-R Kraus, Hofer, Blackman, Jim Henry, F.C. Craighead, W.D. Edmonston. Kaibab control project. Kaibab National Forest, Arizona. (33341433880).jpg 1,883 × 1,190; 390 KB
1925. Limbing an infested ponderosa pine tree for burning. Pine beetle control. Kaibab National Forest, Arizona. (38189666782).jpg 1,154 × 1,781; 370 KB
1925. Preparing ponderosa pine tree for burning. Pine beetle control. Kaibab National Forest, Arizona. (26445244449).jpg 1,781 × 1,160; 377 KB
1925. W.D. Edmonston's cabin at Mile-and-a-Half. Kaibab control project. Kaibab National Forest, Arizona. (34861012061).jpg 1,232 × 1,758; 349 KB
1927. Area 3 survey crew. L-R Max England, W.J. Buckhorn, and F.P. Keen. SONC bark beetle control project. Modoc NF, California. (34829321382).jpg 1,915 × 1,262; 420 KB
1927. Men felling a bug tree. Black Hills beetle investigation. Roosevelt National Forest, Colorado. (32744011943).jpg 4,799 × 3,842; 2.11 MB
1927. Peeling a bug tree. Black Hills beetle infestation. Roosevelt National Forest, Colorado. (33558337785).jpg 4,819 × 3,860; 2.33 MB
1928. Survey crew. Ike Hastings, Ernie Buck, Greene. Modoc National Forest, California. (33177339714).jpg 953 × 627; 177 KB
1929. Burning a group of pine beetle infested trees. Pine Spring Beetle control project. Fremont National Forest, Oregon (33174955320).jpg 3,732 × 2,898; 1.03 MB
1929. Man applying kerosene with pressure pump (Meyer's pump). Milk Creek Insect Control Project. Targhee National Forest, Idaho. (33175388660).jpg 2,933 × 3,798; 2.53 MB
1929. Meyers pressure pump for applying kerosene. Insect control project. Targhee National Forest, Idaho. (33558444025).jpg 2,945 × 3,768; 2.23 MB
1929. Saw filer in his "shack" filing tools - saws on rack. Fremont National Forest, Oregon. (41523864682).jpg 3,588 × 2,896; 1.38 MB
1930. A group of treated trees. Western pine beetle control. Klamath Indian Reservation. (34974336876).jpg 1,289 × 927; 229 KB
1930. A Targhee insect control camp. Targhee NF, ID. (33175102990).jpg 4,839 × 3,967; 2.63 MB
1930. Burning for western pine beetle control. Klamath Indian Reservation. (34652394460).jpg 1,308 × 915; 187 KB
1930. Burning for western pine beetle control. Klamath Indian Reservation. (34875555142).jpg 1,310 × 923; 192 KB
1930. Burning to treat Dendroctonus brevicomis. Devil's Garden Extention area. Modoc National Forest, California. Possibly Al Wagner pictured. (34652385910).jpg 1,417 × 1,109; 363 KB
1930. Felling a ponderosa pine. Western pine beetle control. Klamath Indian Reservation. (33983088255).jpg 1,318 × 934; 198 KB
1930. Felling a ponderosa pine. Western pine beetle control. Klamath Indian Reservation. (34170571424).jpg 927 × 1,290; 186 KB
1930. Felling a ponderosa pine. Western pine beetle control. Klamath Indian Reservation. (38189578002).jpg 920 × 1,316; 188 KB
1930. Felling a tree for western pine beetle control. Klamath Indian Reservation. (33341230330).jpg 898 × 1,309; 203 KB
1930. Felling for western pine beetle control. Klamath Indian Reservation. (34898601625).jpg 932 × 1,304; 261 KB
1930. Filling a pressure pump with oil. Targhee insect control project. Targhee NF, ID. (33558175885).jpg 4,869 × 3,943; 2.92 MB
1930. Insect burning crew. 4 burners each carry pressure pumps; spot and and burn "bugged" trees. Targhee NF, ID. (33175093760).jpg 3,780 × 2,921; 1.5 MB
1930. Lodgepole pine. Scolytidae. Dendroctonus monticolae Hopk. damage. Crater Lake National Park. (38221467461).jpg 1,283 × 944; 242 KB
1930. Logging ponderosa pine to control Dendroctonus brevicomis. Klamath Falls, Oregon. (33685002356).jpg 1,892 × 1,187; 363 KB
1930. Peeling ponderosa pine bark to control western pine beetle. Blacks Mtn. Lassen National Forest, California. (32915740773).jpg 1,792 × 1,252; 468 KB
1930. Ponderosa pine logs attacked on sides and bottoms by Dendroctonus brevicomis. Klamath Falls, Oregon. (26445195299).jpg 1,915 × 1,252; 493 KB
1930. Ponderosa pine right-of-way logs heavily attacked by Dendroctonus brevicomis. Klamath Falls, Oregon. (37510629774).jpg 1,636 × 1,180; 378 KB
1930. Salvage logging ponderosa pine. Dendroctonus brevicomis control. Klamath Falls, Oregon. (32912356823).jpg 1,887 × 1,194; 414 KB
1930. Spraying insect infested trees with oil. Targhee National Forest, Idaho. (33175404500).jpg 3,937 × 4,863; 4.41 MB
1930. Tree in flames. Burning standing tree is one method of insect control. Targhee National Forest, Idaho. (33558459575).jpg 3,949 × 4,905; 3.67 MB
1930. View of Calimus Butte beetle control area. Klamath Indian Reservation. Oregon. (38189576522).jpg 1,286 × 923; 105 KB
1931. "Pushing" the flames higher up on clear bole tree. 3 and 4, 3' extensions on pumps are used. Wyoming National Forest, Wyoming. (33517348286).jpg 3,789 × 2,945; 1.37 MB
1931. Burning a mountain pine beetle infested tree. Yellowstone National Park. (36404772572).jpg 494 × 800; 374 KB
1931. Packing fuel oil to burning crews doing insect control work. Sheep Creek. Wyoming National Forest, Wyoming. (32743588793).jpg 4,824 × 3,967; 3.54 MB
1931. Ponderosa pine, slash relations, temperature, bark beetle study. (34195850064).jpg 1,394 × 794; 227 KB
1932-1933. Map showing areas sampled for Dendroctonus brevicomis winter mortality in the ponderosa pine type in Washington, Oregon, and California. (33344416140).jpg 1,297 × 1,891; 225 KB
1932. Cages on ponderosa pine Dendroctonus brevicomis Lec. brood trees. B-3 Ochoco experimental area. Prineville, Oregon. (26445144279).jpg 1,319 × 914; 229 KB
1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (33983082945).jpg 936 × 1,328; 250 KB
1932. Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. (34511768440).jpg 914 × 1,307; 271 KB
1933. Five-foot insect tree cage for emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. (37510618514).jpg 1,094 × 1,594; 319 KB
1933. James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. (34203638103).jpg 1,483 × 2,082; 636 KB
1933. Nineteen-foot insect tree cage for induced attack and emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. (26445176519).jpg 1,083 × 1,654; 462 KB
1933. Toothpick method for counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. (34626785270).jpg 1,369 × 1,043; 253 KB
1933. Toothpick method of counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. (34974330076).jpg 1,363 × 1,023; 197 KB
1934. Bark beetle control, peeling stumps. CCC enrollees from Camp F-24-W. Shoshone National Forest, Wyoming. (33429278481).jpg 3,731 × 2,899; 1.53 MB
1934. Beetle control work. Blacks Mountain. Lassen National Forest, California. (34858519156).jpg 1,936 × 1,354; 670 KB
1934. CCC boys felling bug-infested tree. Buck Meadows Camp. Stanislaus National Forest, California. (33558375735).jpg 3,680 × 2,878; 1.51 MB
1934. Solar treated area to control Dendroctonus monticolae in lodgepole pine. Munson Plateau. Crater Lake National Park, Oregon. (34766989651).jpg 1,284 × 914; 246 KB
1934. Suncured lodgepole pine infested with Dendroctonus monticolae. Treated area. Munson Plateau. Crater Lake National Park, Oregon. (34858513856).jpg 1,280 × 923; 298 KB
1934. Suncuring bark to kill beetles. White pine in the mixture. Munson Plateau. Crater Lake National Park, Oregon. (26841181428).jpg 950 × 1,320; 229 KB
1935. Map showing areas sampled for Dendroctonus brevicomis winter mortality in the ponderosa pine type in Washington, Oregon, and California. (33728881995).jpg 1,225 × 1,828; 189 KB
1935. Peeling ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920391625).jpg 890 × 1,310; 301 KB
1935. Photos show Keen's ponderosa pine tree classification - for comparison of bark beetle susceptibility classes based on age and vigor. (34850358992).jpg 1,107 × 1,937; 301 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36112158883).jpg 1,295 × 882; 191 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36112178833).jpg 887 × 1,307; 274 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36749515822).jpg 884 × 1,301; 238 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36749562532).jpg 887 × 1,310; 316 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920366175).jpg 1,311 × 889; 238 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. (36920379305).jpg 891 × 1,317; 305 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis. Jawbone Ranger Station project, Stanislaus National Forest, California. (32785053654).jpg 1,951 × 1,357; 464 KB
1935. Treating ponderosa pine infested with Dendroctonus brevicomis. Jawbone Ranger Station, Stanislaus National Forest, California. (33244259430).jpg 1,714 × 940; 290 KB
1936. Map showing distribution of Dendroctonus brevicomis and Dendroctonus barberi in relation to average annual minimum temperature. (26445149209).jpg 1,280 × 1,673; 170 KB
1936. White pine logs infested with Dendroctonus monticolae after burning. Mt. Rainier National Park, Washington. (32652319954).jpg 1,306 × 931; 289 KB
1936. White pine logs infested with Dendroctonus monticolae being burned at Mt. Rainier National Park, Washington. (32652329844).jpg 1,315 × 899; 186 KB
1936. White pine logs infested with Dendroctonus monticolae being decked for burning. Mt. Rainier National Park, Washington. (33339781342).jpg 1,305 × 917; 283 KB
1939. CCC enrollee numbers an infested tree on blaze. Colorado. (33517764506).jpg 4,778 × 3,880; 2.58 MB
1939. CCC enrollee peeling infested stump after felling. Colorado. (33429700821).jpg 4,780 × 3,870; 2.6 MB
1940. Deck of medium-sized logs for burning. Fremont National Forest, Oregon. (33339741802).jpg 1,872 × 1,373; 448 KB
1940. Group of 17 trees treated by Klamath Forest Protective Association (KFPA). Chewaucan Unit. Fremont National Forest, Oregon. (33339749842).jpg 1,941 × 1,364; 443 KB
1940. Marking insect risk tree for cutting. (33627866995).jpg 1,369 × 1,962; 553 KB
1940. Peeling Dendroctonus brevicomis (western pine beetle) tree preparatory to burning. Fremont National Forest, Oregon. (33367509071).jpg 1,926 × 1,382; 642 KB
1947. Jeep equipped with spray pump tank and 500 feet of hose for treating bark beetle infested trees. Black Hills National Forest, South Dakota. (33517467716).jpg 4,830 × 3,925; 2.84 MB
1947. Jeep with spray pump tank for treating bark beetle infested trees. Black Hills National Forest, South Dakota. (33016226224).jpg 1,967 × 1,401; 468 KB
1947. Spraying trees with orthodichlorobenzine and diesel oil. Black Hills National Forest, South Dakota. (33175383770).jpg 2,908 × 3,749; 8.77 MB
1948. Compassman on spotting crew leaving station to string line for pump crew. Teton National Forest, Wyoming. (32714662194).jpg 4,890 × 3,948; 2.84 MB
1948. Compassman stringing ine for pump crew. Teton National Forest, Wyoming. (33703456042).jpg 2,805 × 2,248; 3.06 MB
1948. Compassman stringing line for pump crew to follow. Teton National Forest, Wyoming. (33174897040).jpg 4,830 × 3,954; 2.76 MB
1948. Contract crew spraying ortho mix on lodgepole pine. Mountain pine beetle control project. Teton National Forest, Wyoming. (33401498832).jpg 4,848 × 3,852; 2.53 MB
1948. Insect control pump crew in action. Teton National Forest, Wyoming. (33174869050).jpg 4,896 × 3,966; 2.89 MB
1948. Insect control spotting crew; worker in foreground is attaching a red tag to insect infested tree. Teton National Forest, Wyoming. (33401441112).jpg 4,890 × 3,930; 3.12 MB
1948. Loading oil on pack string for treating insect infested trees. Targhee National Forest, Idaho. (33429528621).jpg 4,785 × 3,901; 3.03 MB
1948. Pack string loaded with oil to spray insect infested lodgepole pine. Targhee National Forest, Wyoming. (33517442216).jpg 4,866 × 3,972; 2.93 MB
1948. Pump crew on insect control job moving from one tree to another. Teton National Forest, Wyoming. (33174914480).jpg 4,926 × 3,924; 2.97 MB
1948. Red Creek insect control camp. Teton National Forest, Wyoming. (33174858480).jpg 4,842 × 3,960; 2.54 MB
1949. Bug treating crew, crew foreman, and packer in formation with equipment. Targhee National Forest, Idaho. (32714958784).jpg 4,889 × 3,906; 2.48 MB
1949. Spraying ponderosa pine trees infested with larvae of Black Hills bark beetles. Pike National Forest, Colorado. (33517770066).jpg 4,751 × 3,864; 2.91 MB
1950. Burning a group of bug trees. Hotel Creek Camp. Targhee-Teton mountain pine beetle control project. Targhee National Forest, Idaho. (33175119500).jpg 4,821 × 3,925; 2.41 MB
1950. Crew foreman tallying treated trees. Engelmann spruce bark beetle control project. Arapaho NF, CO. (32744047143).jpg 4,797 × 3,860; 2.61 MB
1950. Crew from Lyle Springs Camp burning a bug tree. Targhee-Teton pine beelte control project. Targhee NF, ID. (33175131880).jpg 4,767 × 3,907; 2.43 MB
1950. D-8 cat leveling off a switchback. Engelmann spruce bark beetle control project. Arapaho NF, CO. (34244519832).jpg 4,807 × 3,855; 2.4 MB
1950. Dave McComb. Mountain pine beetle control project. Targhee NF, ID. (33558252925).jpg 4,827 × 3,853; 2.18 MB
1950. Filling 5 gallon Jeep cans at Kremmling Goop Depot. Engelmann spruce bark beetle control project. Arapaho NF, CO. (33517774156).jpg 4,743 × 3,856; 2.31 MB
1950. Filling 5 gallon Jeep cans on the upper deck at Kremmling "Goop" Depot. Engelmann spruce beetle control project. Arapaho NF, CO. (33429717791).jpg 4,774 × 3,852; 2.6 MB
1950. Joe Bary marking out work blocks on 8" to the mile aerial photos. Sheephorn Insect Control Camp. Engelmann spruce bark beetle control project. Arapaho NF, CO. (34403433115).jpg 4,758 × 3,837; 2.18 MB
1950. John Burke (left) and Virgil Stephens developed a spraying aid that saved valuable time and insecticide. Engelmann spruce bark beetle control project. Arapaho National Forest, Colorado. (32744058763).jpg 4,757 × 3,848; 2.42 MB
1950. Lyle Springs crew oiling infested trees for burning. Targhee-Teton mountain pine beetle control project. Targhee NF, ID. (33175141080).jpg 4,863 × 3,931; 2.5 MB
1950. Spray crew applying "goop" to infested tree. Engelmann spruce bark beetle control project. Arapaho NF, CO. (33517795506).jpg 4,754 × 3,850; 2.09 MB
1950. Unloading filled 5 gallon Jeep cans of "goop". Sheephorn Camp work area. Engelmann spruce bark beetle control project. Arapaho NF, CO. (33517781886).jpg 4,810 × 3,886; 2.48 MB
1950. W. McCambridge and B. Finley of BEQP working on maps of infested areas which served as guides for control work. Engelmann spruce bark beetle control project. Arapaho NF, CO. (34403428185).jpg 4,815 × 3,863; 2.08 MB
1953. Applying insecticide to bark beetle infested Douglas-fir. Coeur d'Alene NF, ID. (33429575631).jpg 4,881 × 3,925; 3.13 MB
1953. Close up of spray deflector being used for insect control. Kaniksu National Forest, Idaho. (33429551221).jpg 4,803 × 3,865; 2.59 MB
1953. Experimental spraying to control Douglas-fir bark beetle. Coeur d'Alene NF, ID. (33558229885).jpg 4,916 × 3,921; 2.41 MB
1953. Felling an infested spruce tree to act as a trap for spruce bark beetle. Powell Ranger District, Lolo National Forest, Idaho. (34271383022).jpg 2,786 × 2,158; 2.69 MB
1953. Insect infested tree marked for treatment. Tag on control line gives number of infested trees in group. Kaniksu National Forest, Idaho. (33401705952).jpg 4,863 × 3,859; 2.52 MB
1953. Packers loading spray on pack train for transport to infested area. Coeur d'Alene NF, ID. (33429582671).jpg 4,841 × 3,883; 2.56 MB
1953. Spraying chemical on a trap tree for control of spruce bark beetle. Powell Ranger District, Lolo National forest, Idaho. (33401710472).jpg 4,881 × 3,865; 2.54 MB
1953. Using full stream of chemical spray, reaching upper part of the infested tree bole. String in foreground marks crew spraying lane. Kaniksu National Forest, Idaho. (33401696652).jpg 4,797 × 3,817; 2.31 MB
1957. Ken H. Wright examines Douglas-fir bark beetle galleries on right-of-way logs. Coos County, Oregon. (33080301780).jpg 1,437 × 1,116; 302 KB
1957. Tractor skidding beetle-killed Engelmann spruce logs to a cutting and stacking point on Coffee Pot Mountain. White Mountain National Forest, Colorado. (34300085531).jpg 2,762 × 2,155; 3.46 MB
1960. William Klein checking control effectiveness in ponderosa pine tree sprayed with ethylene dibromide to control mountain pine beetle (Dendroctonus monticolae). Bauer's Creek area. Fremont National Forest, Oregon. (38707561201).jpg 1,387 × 1,109; 370 KB
1961. Flame thrower in operation. Bark beetle control. Wasatch National Forest, Utah. (35046282520).jpg 2,664 × 3,963; 3.68 MB
1961. Flame thrower. Bark beetle control. Wasatch National Forest, Utah. (39971698641).jpg 1,200 × 1,800; 363 KB
1961. Spraying felled ponderosa pine trees with Lindane to control bark beetle infestation (Dendroctonus brevicomis). McCloud Ranger District, Shasta National Forest, California. (33558386895).jpg 4,762 × 3,790; 2.27 MB
2015. Roy Magelssen setting up a Douglas-fir beetle monitoring trap at Gold Creek on the Methow Valley Ranger District. Okanogan-Wenatchee National Forest, Washington. (38202744424).jpg 3,264 × 2,448; 4.41 MB
Bark beetle - destruction of forest.jpg 4,608 × 3,072; 11.77 MB
Brocken Borkenkäfer 01.jpg 3,082 × 1,956; 1.73 MB

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