https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3392513Edit ImageSaveSaveEditCropCustom TextA detail of the rocks of Calico bluff in Yukon-Charley Rivers National Preserve.NPS Photo / Sean Tevebaugh 2016. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGBanner JPEG 1200 x 801 px | 300 dpiLarge JPEG 2400 x 1602 px | 300 dpiFree DownloadA detail of the rocks of Calico bluff in Yukon-Charley Rivers National Preserve.NPS Photo / Sean Tevebaugh 2016. Original public domain image from FlickrMore