The Snapp series consists of very deep, well drained soils formed in alluvium derived from mixed rocks.
Snapp soils are on fans piedmont remnants and rock pediment remnants.
Slopes are 2 to 30 percent. Snapp very fine sandy loam, rangeland. Soil moisture - Usually dry, moist in the winter and spring months, dry from June through October. F. Combined thickness of A and Bt horizons - 20 to 30 inches. Depth to discontinuity - 20 to 35 inches.