The moisture control section is usually moist in April, May and early June. It is dry for 60 consecutive days or more during the 90 day period following the summer solstice. EC is 0 to 2 mmhos throughout. Reaction is slightly through strongly alkaline. Some pedons have a light gravel lag on the surface.
Texture is loam, silt loam, clay loam, silty clay loam, and gravelly clay loam.
A Bw or AC horizon, when present, has the combined properties of the A and C horizons. It is loam, clay loam or silty clay loam. Reaction is slightly through strongly alkaline. Canyon soils are somewhat excessively drained. Dulce, Tassel, and Taluce soils have less than 18 percent clay in the particle size control section.