Q 4,4 Interbedded silty gray shale and siltstone, latter increase in number and thickness upward. and become finely sandy, grade into next (R) interval R. 4,4 finer grained siltstone + siltstone, argillaceous, in columnly ledges. light gray with fawn - color + pinkish stain, some interbeds silty shale. S. 41,3 Dk gray shale becoming siltsy above lower 1.3 and grteling thru shaly siltstone to siltstone fine, argillaceous. Thin bentonitic clay 0.5 above base This shale grades down toward creek bed to chalk silty clay, a siltstone. Bentonite gets gypsiferous. T 6.3 Sandsfone, fine grained, argillaceous but becoming less so upward. Unconformity. U. 11.4 Sandstone, massive fine to med. with coarse grained th lower 3', x 12m, brown weath. Local vuggy zones where plznts or clay weathered out.