https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12243986Edit ImageSaveSaveEditCropCustom TextBob Aden and his wife, Marion, University of Nebraska, Lincoln. 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 915 px | 300 dpiLarge JPEG 3500 x 2670 px | 300 dpiBest Quality JPEG 10132 x 7729 px | 300 dpiTIFF 10132 x 7729 px | 300 dpi | 74.86 MBFree DownloadBob Aden and his wife, Marion, University of Nebraska, Lincoln. Sourced from the Library of Congress.More