The elevation is 7,800 to 8,600 feet. These include the Garza and Kimmons series. The Garza series differs in having no bedrock above 40 inches and in having mollic epipedons more than 16 inches thick. The Kimmons series differs in having an argillic horizon. Runoff is medium to rapid.
Permeability is moderate.
They are used principally as native pastureland. Native vegetation includes big sage, prairie junegrass, Sandberg's bluegrass. Present known distribution limited to southern and western Wyoming. The series is of moderate extent. Sage Creek area, Carbon County, Wyoming.