https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12329211Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: George Campbell putting nitrate of soda on his cotton crop. 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 926 px | 300 dpiLarge JPEG 3500 x 2701 px | 300 dpiBest Quality JPEG 13680 x 10559 px | 300 dpiTIFF 13680 x 10559 px | 300 dpi | 275.74 MBFree Download[Untitled photo, possibly related to: George Campbell putting nitrate of soda on his cotton crop. La Delta Project, Thomastown, Louisiana]. Sourced from the Library of Congress.More