https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12315546Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Blue Ribbon No. 2 Mine, one of the largest gopher holes, Williamson County, Illinois (see 26940-D)]. 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 870 x 1200 px | 300 dpiLarge JPEG 2538 x 3500 px | 300 dpiBest Quality JPEG 3144 x 4336 px | 300 dpiTIFF 3144 x 4336 px | 300 dpi | 26.02 MBFree Download[Untitled photo, possibly related to: Blue Ribbon No. 2 Mine, one of the largest gopher holes, Williamson County, Illinois (see 26940-D)]. Sourced from the Library of Congress.More