https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12282873Edit ImageSaveSaveEditCropCustom TextMachine for testing plates used in corn planter in office of hybrid seed corn plant. Conrad, Iowa. 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 925 x 1200 px | 300 dpiLarge JPEG 2699 x 3500 px | 300 dpiBest Quality JPEG 10622 x 13774 px | 300 dpiTIFF 10622 x 13774 px | 300 dpi | 139.55 MBFree DownloadMachine for testing plates used in corn planter in office of hybrid seed corn plant. Conrad, Iowa. Sourced from the Library of Congress.More