Rock fragments in the control section average 50 to 85 percent. It has 15 to 35 percent rock fragments. It is sandy loam, fine sandy loam, or loam and can be gravelly, very gravelly or extremely gravelly. The Bw has 15 to 35 percent rock fragments and the 2C1 has 35 to 80 percent. It has weak fine or medium subangular blocky or weak coarse prismatic structure.
Reaction is slightly acid to slightly alkaline.
The 2C2 horizon is coarse sand or loamy sand and is very gravelly, very cobbly or extremely gravelly. Some pedons have lime and silica coatings on the underside of gravel and cobbles. It is slightly acid to moderately alkaline. Broncho soils have Bk horizons and a mean annual soil temperature averaging less than 51 degrees F. McConnel soils have a Bk horizon and have less than 5 percent clay within the particle-size control section. McNye soils have a lithic contact at a depth of 40 to 60 inches and have disseminated carbonates in the control section.