These are Atlow , Cottle , Gabbvally , Hooplite , and Stewval series. Potential competitors in a similar family are the Boomstick , Checkett , Fortyday , Nevo , Olac , Old Camp , Phliss , Rowel , and Soughe series. Atlow , Boomstick , Checkett , Cottle , Fortyday , Hooplite , Nevo , Olac , Old Camp , Phliss , Rowel , Soughe , and Stewval soils average more than 18 percent clay in the particle-size control section. In addition, Hooplite and Stewval soils have calcareous Bt horizons and Olac soils are not moist for 10 to 20 days in the summer. Gabbvally soils have less than 50 percent rock fragments in the control section, most of which are pebbles.
Thike soils are on mountains.
They formed in residuum and colluvium derived from granite and related granitic rocks. Slopes are 15 to 75 percent. Elevations range from 5,500 to 7,400 feet. The climate is cool-semiarid with cool, moist winters and warm, dry summers. The mean annual precipitation is 8 to 11 inches, the mean annual temperature is 45 to 49 degrees F., and the frost-free period is 90 to 120 days.