Depth to continuous brittle matrix - 5 to 20 inches. Profile reaction - Moderately alkaline or strongly alkaline. Very gravelly sandy loam, extremely gravelly sandy loam and very gravelly silt loam. Some pedons have extremely gravelly coarse sandy loam in the lower part. Pyrat soils are 14 to 20 inches deep to calcic horizon and 22 to 32 inches deep to the weakly cemented layer.
Automal soils are on fan piedmont remnants and beach plains.
These soils formed in alluvium from limestone, dolomite and shale. Slopes are 2 to 50 percent. Elevations are 5,200 to 7,100 feet. The climate is cool, semiarid with cold, moist winters and warm, dry summers. These are the Eastwell , Okan and Wintermute series.