It can be found in mountain passes and high-elevation fell fields and in lower elevation desert washes.
3.
It can be found in moraines, fell field habitat, alpine meadows, and areas dominated by grasses and arctic bluegrass ( " Poa arctica " ).
4.
When a group of tired, Camp Muir-bound climbers paused to rest on a seemingly desolate, 8, 200-foot-high " fell field "-- an exposed island of rock and pumice on the Muir Snowfield-- Kessler stopped to explain why they're supposed to stay on snow and off bare ground.