Bt2 26 to; red ( 10R 4 / 8 ) clay; few fine prominent yellowish red ( 5YR 5 / 8 ) mottles; moderate medium subangular blocky structure; firm; sticky, plastic; common clay films on faces of peds; few fine flakes of mica; very strongly acid; gradual wavy boundary . ( Combined thickness of the Bt horizon is 24 to 50 inches)
