Arm Thurl 4 2.5m 13.9 Pollen sample 8549a at base dk gray chippy carb. mudstone ct to next unit he became a gunky clay at 1.5m 5 4.0m 17.9 friable tan sand forming a shoulder poorly sorted mes) grained weather to tan well rounded carbon layers Osmunda level 8547a at 2.8m . 6 1.5 very dk gray carb clay alternating w/dk brownish gray mudstone, lenses of clay Fe-stones weather varies: dk gray red gray, yellow brown, tan