These are the Farrell , Ritzville , Roloff , and Strat soils. Farrell and Roloff soils have a coarse, loamy particle size control section. Ritzville soils have a coarse, silty particle size control section. Strat soils have more than 35 percent coarse fragments in the particle size control section. Vegetation is bluebunch wheatgrass, Sandberg blue grass, big sagebrush, and yarrow.
Series is of moderate extent.
Adams County, Washington, 1971. Diagnostic horizons and features recognized in this pedon are a mollic epipedon from the surface to 8 inches, a cambic horizon from 8 to 18 inches, a discontinuity at 28 with loose gravel and sand with identifiable secondary carbonates and silica accumulation on underside of gravel.