The Temple Butte channels are very common and easy to see, especially upstrean of the Little Colorado confluence.
I took this picture in 2018 with a group of fellow geologists. Our trip leaders were Profs. Laura Crossey and Karl Karlstrom.
Here’s a link to an excellent USGS Special Paper on the Canyon, and a set of detailed geological maps that I compiled for the trip
I am more than glad to discuss what is not wrong about the Grand Staircase!
