Filling corn cribs with hybrid seed corn. Robinson farm, Marshall County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273137/photo-image-person-public-domain-natureFree Image from public domain licenseWest Mine, West Frankfort, Illinois. Now abandoned. This mine has been down about a year (see 26940-D). Sourced from the… https://www.rawpixel.com/image/12272613/photo-image-person-sky-smokeFree Image from public domain licenseAt the railroad terminal in Caribou, Maine. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278304/photo-image-cloud-person-skyFree Image from public domain license