This site from Stephen Reynolds at Arizona State University challenges students to carefully observe a photo of Monument Valley. Once students have noted their observations, they can use links on the page to find geological information about the Monument Valley, and compare their observations to the actual geology of the area.
This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you
have information we can use to flesh out or correct this record let us know.