[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp.… https://www.rawpixel.com/image/12288987/photo-image-sky-planes-oceanFree 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 license[Untitled photo, possibly related to: New Madrid County, Missouri sharecropper's home] by Russell Lee https://www.rawpixel.com/image/12168123/image-person-art-skyFree Image from public domain license[Untitled photo, possibly related to: Consolidated Aircraft plant under construction. San Diego, California] by Russell Lee https://www.rawpixel.com/image/12150505/image-cloud-plant-artFree Image from public domain license[Untitled photo, possibly related to: Hogs and their shelter at the Casa Grande Valley Farms. Pinal County, Arizona] by… https://www.rawpixel.com/image/12149028/image-cow-person-artFree Image from public domain license