21 MR4-2 Locality 30 #13c 3/10 of a mile S. of #13 B. Measured section in draw on west side of road (R.63) from true Pierre to Fox Hills. Recorded on Stevens sample socks. Lucinia zone -- PIERRE (Elk Butte + Moberidge?) Fox HILLS -- Zone of transition scophlits Loc 30 Section measured from creek bottom 100 feet west of road. (Preliminary Brunton measurement) 169 26' Buff friable SS, with very little shale capped by large brown cone layer, persistent. Lower 5 1/2 ft includes layer of brown shaley weathering concretions. 11' Sandy shale lower 5 1/2' poorly exposed just about top of shale section.