Pumel soils formed in residuum and colluvium from granodiorite and related rocks. Slopes are 2 to 75 percent. Elevations are 5,600 to 6,700 feet. These are the Gabbs , Osobb soils. Gabbs soils are moderately deep over duripans.
Osobb soils are shallow over duripans resting on tuff bedrock.
The vegetation is principally shadscale, spiny hopsage, winterfat, Indian ricegrass, desert needlegrass, bottlebrush squirreltail, and galleta. These soils are not extensive. Paralithic contact - The boundary at about 5 inches.