The Bw horizon has hue of 10YR or 2.5Y, value of 6 or 7 and 4 through 6 moist, and chroma of 2. It is fine sandy loam or sandy loam. Reaction ranges from neutral to moderately alkaline. The 2C horizon has hue of 10YR or 2.5Y, value of 6 or 7 and 5 or 6 moist, and chroma of 2. It is coarse sand or gravelly coarse sand.
Reaction ranges from neutral to moderately alkaline.
This is the Cass series. Soils in closely related families are Alda , Lex , Ord , and Wann series. Cass soils lack sand and gravel within a depth of 40 inches. Alda, Lex, Ord, and Wann soils are somewhat poorly drained and, in addition, Ord and Wann soils lack coarse sand and gravel within a depth of 40 inches. Darr soils are formed in 20 to 40 inches of noncalcareous, stratified, loamy alluvium underlain by layers of sand and mixed sand and gravel on flood plains.