13/0+ 2.2 Siltstone, shaly, interbedded with fine ss and silty to sandy gray sh. Silt worth light gray, 2.8. Siltstone, dk gray shaley, greening to fissile bl shale, in lower 1/2 0.3 Porcellanite 7.6 Siltstone, shaly, dk-gray weatheres gray-white, some interbeds dk silty sh, and scattered thin Fe bru weth ss layers. 6.4 Sandstone, vrraq (laminated?) tine qr shzly, vuves much locally, bzso hzs 0.6 to 3.0 ft: dk gray to black silty to sandy sh[ss]sh.Bzz1 lt si conglomeratic. Locally zn 0.2 bed sadly calts shzle at base. This wezt ss unit shot with gypsum layers. Disconformity 0.6 Avgill ss, yellowist white, 21