19.5 Shale, dk grey, silty, thinly interbedded to interlaminated with siltstone, letter commonly Fe impreg. Weathers to brownish grey platy quartz ledge. Elsewhere to gree covered slope with platy wn trenched Silt fregs. 6.2 Sandstone, very fine-grained, even-bedded 0.1 to 2.0, Fe impreg in upper 0.6 ft. Laminated to x-lzm, grades to sandy silt downward, scattered Fe impreg layers, grades to unit below. 5.0 Siltstone, luvry, thin bedded and thinly interbedded with very fine-grained Sandstone. 4.0 Siltstone, shaly, grey to dark gray, siltst is ivrcd thinbedded, locally ruterlons with sh worms-worked" 1.0 Shale, black, finely silty, papery