Stratified extremely gravelly sand to extremely gravelly loamy sand. Mildly alkaline or moderately alkaline. These are the Burbank , Crunkvar , Sheeprock , Skaha , and Wrango series. Burbank soils have mean annual soil temperatures of 52 to 56 degrees F and lack lithocromic colors. Skaha soils are neutral and noncalcareous throughout.
Wrango soils are calcareous throughout the particle-size control section.
Doowak soils are on inset fans. These soils formed in alluvium from mixed rock sources. Slopes are 0 to 2 percent. Elevations are 4,500 to 6,000 feet. The climate is cool semiarid with hot, dry summers and cold, moist winters.