form ledge. Whole is crumbly irreg bedded where bedding visible at all, upper 20' has argill matter chiefly as pzwtings, + lzmzse, latter irregular as if disturbed while soft. Carb. matter in ptsn+ flecks throught. S. 8.0 Siltstone and finess as below but laterally gets more zoquilecous and tends to lie in slope. Locally upper 2' is a ledge separated from that below by break of more argill siltstn. T. 9.1 Shale bl. to chk qryz (up) finely silky to silty upwzdal, A few scattered thin beds silt+ finess becoming more numerous in upper 3' (Sample 11) U. 14.5 Fine gr. ss and. siltstone, Thin bedded to lzmuzter, +x 1/2m., interbedded with shaly siltstone and minor silty shale. Unit is similar to K. Slightly calc, with some limy, dense beds Fossils are rzre. One heavy ledge in middle psrt and thinner ones above + below where beds more shely. V. 9.6 Argilaceous siltstone, qryz, blocky fracture, a few 43