Morrison Fm, Summerville Fm, and Entrada Sandstone
Sandstone. Jurassic, about 165 to 145 million years old. 9 crags on this site have their map point on it.
The map groups these named formations into this unit: Morrison Formation, Summerville Formation, Entrada Sandstone.
What the map says
Summerville Fm: Shale and siltstone Lithology: sandstone, mudstone, claystone, minor shale, siltstone.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (9 crags). A contact line at that scale is about 500 m wide on the ground.
Served by Macrostrat (CC BY 4.0). The wording is the map's own, quoted as a fact about the mapped unit, not about any one wall.