"Caterpillars" work in dust and soot hauling logs to landing area where they will be loaded onto trucks. Face mask filters… https://www.rawpixel.com/image/8799786/photo-image-face-public-domain-maskFree Image from public domain licenseCaterpillar 323D Crawler Excavator, Location unknown, Sept. 16, 2016. https://www.rawpixel.com/image/6112621/photo-image-public-domain-business-constructionFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Caterpillar tractors snaking logs to the place where they are loaded onto… https://www.rawpixel.com/image/12151097/image-plant-person-artFree Image from public domain licenseA "cat skinner" works in post-fire salvage operations. Caterpillar tractors are used to haul logs to "landing area" (seen… https://www.rawpixel.com/image/8770774/photo-image-person-cat-soilFree Image from public domain licenseA "cat skinner" works in post-fire salvage operations. Caterpillar tractors are used to haul logs to "landing area" (seen… https://www.rawpixel.com/image/8770777/photo-image-face-vintage-personFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Caterpillar tractors snaking logs to the place where they are loaded onto… https://www.rawpixel.com/image/12152438/image-plant-art-vintageFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Caterpillar tractors bringing logs to central point for loading on trucks by… https://www.rawpixel.com/image/12152434/image-plant-person-artFree Image from public domain licenseA "cat skinner" in the burn area known as "granite fire." Cat skinners chain logs to Caterpillar tractors. The "cat" then… https://www.rawpixel.com/image/8770716/photo-image-vintage-fire-catFree Image from public domain licenseGrant County, Oregon. Malheur National Forest. Caterpillar tractors bringing logs to central point for loading on trucks by… https://www.rawpixel.com/image/12151149/image-plant-person-artFree 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 license