Elevations are 5,600 to 7,400 feet. The climate is semiarid continental. These are the Bluewing , Mazuma , Orovada , Vigus and Wardenot soils. Bluewing soils lack moisture regimes bordering on xeric. Mazuma soils are coarse-loamy.
Orovada soils are coarse-loamy and have durinodes in a friable matrix.
Vigus soils have an argillic horizon. Wardenot soils have Bqk a horizon and lack moisture regimes that border on xeric. The vegetation is principally black sagebrush, bud sagebrush, King desertgrass, sand dropseed, bottlebrush squirreltail and Indian ricegrass. These soils are not extensive. The zone from 10 to 40 inches.