https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/4038184Edit ImageSaveSaveEditCropCustom TextCalcium carbonate formations, Mammoth Hot Springs by Diane Renkin. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 763 px | 300 dpiLarge JPEG 1924 x 1224 px | 300 dpiFree DownloadCalcium carbonate formations, Mammoth Hot Springs by Diane Renkin. Original public domain image from FlickrMore