We never encountered a geological feature like this before! Glad a viewing area is provided so we could grab this one while traveling the interstate. Some workers were doing some maintenance at the bottom of the slide---perhaps installing a gate on the dirt road that goes along the base. Email with answers has been sent---Thanks for bringing us here!
Found this near the end of our trip into Odgen, Email sent, pictures to post when I have better internet access. I'm trying to cover the semi in the photo, but not too successful. Thanks for the hide.
I almost drove straight through the viewing area!
After several unsuccessful photos trying to get everything in the frame just right in the cold wind, we came up with this: