Pennslyvanian Click the image to see the original photo at maximum resolution (potentially large files). Click the title to see a full description, geolocation, and more. Photos 1 - 4 of 4 azgs_photo Boulders in Wet Beaver Creek azgs_photo Rock strata of Hualapai Canyon, Havasupai Tribal Lands azgs_photo Grand Canyon Pennsylvanian Esplanade Sandstone azgs_photo Sedimentary rocks of the Naco Group, east-central Arizona
