Gravel is typically less than 5 percent but ranges from 0 to 15 percent. The moisture control section is usually dry for 60 consecutive days during the 90 day period following the summer solstice. The mean annual soil temperature is 47 to 53 degrees F., and the soil temperature at a depth of 20 inches is 41 degrees F. or more for 175 to 195 days. The soil has an aridic moisture regime that borders on ustic. Texture is fine sandy loam, loam, silt loam, clay loam or very fine sandy loam.
Reaction ranges from neutral through strongly alkaline.
Some pedons when buffered by gypsum are moderately alkaline. A thin Bt horizon is present above the Btn in some pedons. Textures are clay, clay loam, silty clay, or silty clay loam. This horizon contains 4 to 15 percent calcium carbonate equivalent. Some pedons when buffered by gypsum are moderately alkaline.