Bringing in corn from the field. Grundy County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273390/photo-image-plant-person-horseFree Image from public domain licenseDay laborer changing plow points on tractor-drawn four-row planter. Gasoline tanks in the background, large farm near Ralls… https://www.rawpixel.com/image/12169168/image-background-person-artFree Image from public domain license[Untitled photo, possibly related to: Day laborers at work on tractor, large farm near Ralls, Texas] by Russell Lee https://www.rawpixel.com/image/12169158/image-person-art-vintageFree Image from public domain licenseA "le tourneau" in action, drawn by a tractor. Martin County development project. Indiana by Russell Lee https://www.rawpixel.com/image/12147525/image-plant-person-artFree Image from public domain licenseHarvester combine harvester white background. AI generated Image by rawpixel. https://www.rawpixel.com/image/12097485/photo-image-white-background-skyView licenseCombination hay loader and chopper used at the Casa Grande Valley Farms. Pinal County, Arizona. This machine was developed… https://www.rawpixel.com/image/12149927/image-person-art-skyFree Image from public domain license