Gray (7.5YR6/1) loam; many coarse distinct brownish yellow (10YR6/8) mottles; weak medium and coarse subangular blocky structure; sticky, plastic; broken moderately thick clay coating on ped faces; few very fine roots; few hard Fe/Mn concretions; common secondary lime concretions; moderately alkaline (field pH 8.0); gradual, smooth boundary.