https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14288867Edit ImageSaveSaveEditCropCustom TextMarble Canon, one of the gorges of the Colorado here, 1,200 feet deep. The steep cliff is gray limestone...below red sandstone. by William H BellOriginal public domain image from Getty MuseumMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 690 px | 300 dpiLarge JPEG 3500 x 2014 px | 300 dpiBest Quality JPEG 6466 x 3720 px | 300 dpiFree DownloadMarble Canon, one of the gorges of the Colorado here, 1,200 feet deep. The steep cliff is gray limestone...below red sandstone. by William H BellMore