A pyramid shaped rock formation
Wtchinging a colorized clip of the the chase scene in Fort Apache on July 10, 2022, I noticed a pyramid shaped hill in the background.
It looked a bit like the Bent Pyramid.
https://en.wikipedia.org/wiki/Bent_Pyramid#/media/File:Bent_Pyramid_%E6%9B%B2%E6%8A%98%E9%87%91%E5%AD%97%E5%A1%94_-_panoramio.jpg
People familiar with Monument Valley should recognize the formation.