Fe improq. Cep, top + lczso dk Fe bron. Section D - Knoll east of Billover Cr + tributary valley in NW cor, SW 1/4, SE 1/4, NE 1/4. It is chiefly covered by wash but ledges stick out. Dip 11°NE strike 15±NW, Slopewash 3.0 - ? Szudstone, fine-grained, thin-bedded, to v-fq. ripple-mild, weathers yellow brown with dark rusty bron improq on top surface and few other layers. Some shely siltstn interbeds in lower foot. 25.0± Upper Lakota-life zone? Chiefly covered by slope wash in line of traverse. Lower 6.5 chiefly plastic gray shale some plant specs. Then 9.5+ szudstone, irvey bedded v-fgr. to f-gr. becom frizble, becoming clean at top, Fe improq layer at top - Rest covered - appezus clstu at base. 9.0 Sandstone, fine, grained, thinbedded in lower 2.0+, thicker bedded above, 1/2m to x lam. Some vertical worm tubes. 66