The Onepennee soils on plateaus and Starbuck soils on benches and hillslopes have less than 35 percent coarse fragments in the control section. The Bakeoven soils are on ridgetops and are less than l4 inches deep to a lithic contact. Vegetation is usually dominated by purple sage, Sandberg bluegrass, bluebunch wheatgrass, and eriogonums. On north aspects bluebunch wheatgrass is dominant and purple sage is rare. Fortyday soils are located on plateaus and ridges in South Central Washington in Yakima County.
Series is of small extent.
Yakima County, Washington, Yakima Training Center, 1994. Diagnostic horizons and features recognized in this pedon have an ochric epipedon from the surface to 8 inches, an argillic horizon from 8 to 19 inches, a lithic contact at 19 inches and a particle-size control section that averages 6l percent rock fragments. This soil is reclassified based on amendment 17 of Soil Taxonomy.