Image 1 of 1
JGF_landscapes_San Rafael Swell_US_UT-8873.jpg
The upthrusting lighter Navajo Sandstone of the San Rafael Reef on the eastern edge of the San Rafael Swell monocline forms fantastic formations often referred to as the Silent City.  Mexican Mountain BLM Wilderness Study Area, near Green River, Utah.  Mexican Mountain is at the far left.