Caterpillar-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 license[Untitled photo, possibly related to: Unloading oysters from fisherman's boat, Olga, Louisiana] by Russell Lee https://www.rawpixel.com/image/12167916/image-plant-person-artFree Image from public domain licenseWhat soil conservation is doing in this section. Drifting sand in the foreground. In the background is to be seen a field of… https://www.rawpixel.com/image/12174810/image-background-cloud-frameFree Image from public domain licenseHay stacker and hay stack on farm of member of the Dairymen's Cooperative Creamery. Caldwell, Canyon County, Idaho by… https://www.rawpixel.com/image/12150132/image-art-sky-vintageFree Image from public domain licenseChicken house and cattle barn, made of straw and wire, on William Helmke farm near Dickens, Iowa. The ninety acres and the… https://www.rawpixel.com/image/12173496/image-plant-person-artFree Image from public domain license