A shallow sea advances and retreats several times during this period, leaving behind the layers named Kaibab Limestone, Toroweap Formation, and Hermit Shale. The Coconino Sandstone layer was ...
The park features petroglyphs, pictograms and artifacts of the Fremont people, as well as a wealth of layered sandstone rock formations, multicolored mesas and buttes, and sweeping, colorful desert ...
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