343-4 Grey claystone, lenses and pellets of argillaceous lime- stone. 357-0 Grey shaley claystone grading to silty claystone. Limy pellets. 359-5 Fragmental claystone and semi- flint clay. 361-3 Brownish grey claystone 364-3 Fragmental blue gray and tan flint clay. 365-0 Siltstone. 369-5 Black clay shale 388-6 Medium to coarse grained styolitic sandstone 408-0 Grey siltstone 421-0 Interbedded siltstone and fine grained sandstone 428-6 Grey clay shale 434-0 Interbedded siltstone and fine grained sandstone. 133