Stockton, Calif. Apr. 1942. A Caterpillar tractor used intensively on this 1300 acre farm which was worked and managed by… https://www.rawpixel.com/image/12229626/image-face-persons-skyFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Diesel caterpillar tractor snaking logs out of woods by Russell Lee https://www.rawpixel.com/image/12152432/image-plant-person-artFree Image from public domain licenseDriver of caterpillar tractor which draws combine in wheat fields of Whitman County, Washington by Russell Lee https://www.rawpixel.com/image/12146137/image-face-hand-personFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Lumberjack hitching cable to log so that caterpillar tractor can snake it out… https://www.rawpixel.com/image/12151173/image-plant-person-artFree Image from public domain licenseBlack swallowtail caterpillarsWe spotted these black swallowtail caterpillars feeding on a golden alexander plant.Photo by… https://www.rawpixel.com/image/4028217/photo-image-flower-plant-greenFree Image from public domain license[Untitled photo, possibly related to: Grant County, Oregon. Malheur National Forest. Diesel caterpillar tractor, log truck… https://www.rawpixel.com/image/12151168/image-cow-plant-personFree Image from public domain licenseWashington, D.C. Construction of temporary war emergency buildings on the Mall, near 16th and 17th Streets, N.W. Le Tourneau… https://www.rawpixel.com/image/12324073/image-person-sky-earthFree Image from public domain licenseCaterpillars in flowering tree, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8803013/photo-image-flower-plant-leafFree Image from public domain licenseFall Webworm in MissouriHaving a bad hair day? It could be worse! Take a look at the wild hair on this fall webworm spotted… https://www.rawpixel.com/image/4029074/photo-image-flower-plant-beeFree Image from public domain licenseWestern Washington, Lewis County. Caterpillar clearing land on cut-over western Washington farm. Sourced from the Library of… https://www.rawpixel.com/image/12248883/photo-image-dog-plant-personFree Image from public domain licenseWashington, D.C. Construction of temporary war emergency buildings on the Mall, near 16th and 17th Streets, N.W. Le Tourneau… https://www.rawpixel.com/image/12323715/image-plant-person-skyFree Image from public domain licenseRuby tiger moth caterpillarPhoto by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028323/photo-image-plant-bee-summerFree Image from public domain license[Untitled photo, possibly related to: Caterpillar tractor used to draw combine in wheat field. Whitman County, Washington]… https://www.rawpixel.com/image/12151519/image-plant-person-artFree Image from public domain licenseCaterpillar diesel tractor which draws combine in wheat fields on Eureka Flats. Walla Walla County, Washington by Russell Lee https://www.rawpixel.com/image/12145535/image-plant-person-grassFree Image from public domain license[Untitled photo, possibly related to: Caterpillar tractor in repair shop at Colfax, Washington. These tractors are used in… https://www.rawpixel.com/image/12145838/image-person-art-vintageFree Image from public domain licenseCaterpillar drawing logs through the woods at camp near Effie, Minnesota by Russell Lee https://www.rawpixel.com/image/12146357/image-plant-person-artFree Image from public domain licenseMonarch Caterpillar in NebraskaWe've been seeing more and more monarch caterpillars lately, including at Boyer Chute… https://www.rawpixel.com/image/4028492/photo-image-flower-plant-leafFree Image from public domain licenseMalheur National Forest, Grant County, Oregon. Diesel caterpillar tractor snaking logs out of the woods by Russell Lee https://www.rawpixel.com/image/12152187/image-dog-plant-personFree Image from public domain licenseHarrowing (with caterpillar tractor) summer fallow. Whitman County, Washington by Russell Lee https://www.rawpixel.com/image/12152491/image-plant-art-skyFree Image from public domain license[Untitled photo, possibly related to: Caterpillar-drawn combine working in the wheat fields of Whitman County, Washington]… https://www.rawpixel.com/image/12151437/image-plant-person-artFree Image from public domain licenseCaterpillar-drawn combine working in the wheat fields of Whitman County, Washington by Russell Lee https://www.rawpixel.com/image/12152467/image-plant-person-grassFree Image from public domain licenseCaterpillar-drawn combine working in the wheat fields of Whitman County, Washington by Russell Lee https://www.rawpixel.com/image/12151490/image-plant-person-artFree Image from public domain licensePennsylvania section of the war emergency twenty-four inch pipeline to carry oil from Texas fields to eastern refineries… https://www.rawpixel.com/image/12290912/photo-image-plant-person-forestFree Image from public domain license[Untitled photo, possibly related to: Caterpillar-drawn combine working in wheat fields. Whitman County, Washington] by… https://www.rawpixel.com/image/12152464/image-cloud-plant-artFree Image from public domain licenseCaterpillar-drawn combine working in the wheat fields of Whitman County, Washington by Russell Lee https://www.rawpixel.com/image/12152217/image-plant-person-grassFree Image from public domain licenseCaterpillar tractor and combine in wheat field on Eureka Flats. Walla Walla County, Washington by Russell Lee https://www.rawpixel.com/image/12151036/image-plant-person-grassFree Image from public domain licenseMacro of cicada slough on the tree https://www.rawpixel.com/image/52409/premium-photo-image-cicada-animal-bugView license