These soils formed in calcareous loess on tableland plains. Richfield silt loam - in a cultivated field. This horizon is usually calcareous loess, but in some pedons when the loess mantle is thin, contrasting material is between depths of 40 and 60 inches. In some pedons the substratum contains buried horizons. There are no series in the same family.
Native vegetation is mainly short and mid grasses.
The series is of large extent. Reconnaissance Soil Survey of Western Kansas, 1910. Three sets of lab data support a borderline fine and fine-silty family, but range of characteristics presents a fine family soil.