Loc. 101, Section D. - Shell bed draw. Beginning at top sandstone with Corbicula hash. (Corbicula sand is about 3' thick.) dip 20°, N 27° E Unit 1: +11°, 48' To conc layer ≈ top unit 10 Sec C. Lower part (below 17' from top) silty fissile shale abundant plant frags., loc. almost w aquatic sh. One thin sand scst. Corbicula in upper part. Upper 17' includes basal sand with Corb. about 1.5 ft thick Then 2.0± shale, then graded and some IB sand + sh 3.0 Then sand to top. Sand of trans has scstt corbiculae, cap of flattened concs. Unit 2 +10°, 40 About 9' sand at base, then 0.5 liq. shale 4 3/4 ± shale becoming gray sandy, about 5 4/0 sand at top. Top thin platy liq. sand 10 31