The frost-free period is 40 to 75 days. These are the Bucklon and Judy series. Bucklon soils have a paralithic contact at depths of less than 20 inches. Judy soils have an argillic horizon. These soils are used as native pastureland and for recreational purposes.
Native vegetation is mainly wheatgrass, nodding brome, stipa, and larkspur.
Mountain areas of central and southwestern Colorado. The series is of moderate extent. Gunnison County, Taylor River Soil Survey Area, Colorado, 1968. Additional mapping and investigation may indicate these soils are in the Vertic subgroup.