All these soils lack a lithic contact within a depth of 40 inches and do not have argillic horizons. Goldrun soils are sandy throughout the particle size control section. Hiko Peak soils and Hiko Springs soils are gravelly and have a calcic horizons. These soils are used mainly for rangeland by cattle and sheep. The native vegetation is big sagebrush, Indian ricegrass, galleta, shadscale, horsebrush and squirreltail.
Mountain ranges of western Utah.
This series is extensive. Argillic horizon - the zone of clay accumulation from a depth of 6 to 16 inches. Lithic feature - quartzite bedrock at 19 inches. Xeric feature - soil moisture regime is Aridic bordering Xeric. Classification changed from Lithic Xerollic Haplargids to Lithic Xeric Haplargids.