Chicago (north), Illinois. Parade, starting at Office of Civilian Defense headquarters before the dedication of a flag in… https://www.rawpixel.com/image/12291038/photo-image-person-sky-roadFree Image from public domain licensePainting Paper Cactus Plants On A Wooden Table https://www.rawpixel.com/image/203291/premium-photo-image-flatlays-painting-aerial-artistView licenseKiowa, Kansas. Train waiting for a block signal along the Atchison, Topeka and Santa Fe Railroad between Wellington, Kansas… https://www.rawpixel.com/image/12290126/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Hereford steer at salt block. Bois d'Arc Cooperative, Osage Farms, Missouri]. Sourced… https://www.rawpixel.com/image/12275315/photo-image-cow-plant-skyFree Image from public domain licenseRear of group of houses in 900 block on West Clybourn Street. Milwaukee, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267380/photo-image-plant-person-skyFree Image from public domain licenseChicago (north), Illinois. Parade, starting at Office of Civilian Defense headquarters, before the dedication of a flag in… https://www.rawpixel.com/image/12291326/photo-image-people-road-public-domainFree Image from public domain licenseDesigner Working on a New Project Concept https://www.rawpixel.com/image/745929/free-image-rawpixelView licenseDetail of derrick showing traveling block, kelly joint, rotary table and lengths of drill pipe, Kilgore, Texas by Russell Lee https://www.rawpixel.com/image/12171078/image-person-art-skyFree Image from public domain licenseActivity at oil well; man on lengths of traveling block will be pulled up to the crown block at top of derrick, Kilgore… https://www.rawpixel.com/image/12171009/image-person-art-skyFree Image from public domain licenseRear of house in 700 block on Kilbourn Avenue. Milwaukee, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12268941/photo-image-sky-public-domain-factoryFree Image from public domain licenseCloseup of rear of houses in 900 block on West Clyburn Street. Milwaukee, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12268682/photo-image-plant-tree-public-domainFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Adjusting block signal. Sourced from… https://www.rawpixel.com/image/12289936/photo-image-person-art-public-domainFree Image from public domain licenseRemoving drifts of soil which block the highways near Guymon, Oklahoma. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264886/photo-image-person-horse-animalFree Image from public domain licenseKiowa, Kansas. The engineer's window in the cab of a locomotive. Waiting for block signal to change on the Atchison, Topeka… https://www.rawpixel.com/image/12290401/photo-image-face-person-public-domainFree Image from public domain licenseChicago (north), Illinois. A list of men in the block who are in the armed forces, posted on a flag pole erected by the… https://www.rawpixel.com/image/12291047/photo-image-person-road-public-domainFree Image from public domain licenseSkyline, midtown Manhattan, New York City. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270296/photo-image-person-sky-smokeFree Image from public domain licenseSawing lead blocks for making cuts. Office of the Valley News. Browns Valley, Minnesota. Sourced from the Library of… https://www.rawpixel.com/image/12282356/photo-image-face-person-technologyFree Image from public domain license