The upper 10 cm averages 4 to 6 percent organic carbon. It is very gravelly, extremely gravelly, very cobbly or extremely cobbly coarse sand, sand, or loamy coarse sand. Rock fragments average 40 to 80 percent. These are the Everett soils and the similar Skykomish soils. Everett soils are dry for 60 to 75 consecutive days.
Skykomish soils are frigid.
Barneston soils are on glacial outwash terraces and terrace escarpments. Elevation is 250 to l,400 feet. Slopes are 0 to 65 percent. The soils formed in glacial outwash, volcanic ash, and loess. The average annual precipitation is 50 to 75 inches.