https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12330725Edit ImageSaveSaveEditCropCustom TextFarm supervisor Eugene T. Martin discussing the cotton crop with George Campbell, who is putting nitrate of soda on it at La Delta Project. Thomastown, Louisiana. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 927 px | 300 dpiLarge JPEG 3500 x 2704 px | 300 dpiBest Quality JPEG 13662 x 10556 px | 300 dpiTIFF 13662 x 10556 px | 300 dpi | 137.55 MBFree DownloadFarm supervisor Eugene T. Martin discussing the cotton crop with George Campbell, who is putting nitrate of soda on it at La Delta Project. Thomastown, Louisiana. Sourced from the Library of Congress.More