30 MR5-3(4) L 38 #13AA. 38 Butte 2.3 miles west of Route 63, 1 mile north of #13B on North side of [illegible] Moreau River, Dewey Co. Exposure Fox Hills. Section (Brunton Hand Level) taken from zone of large concretions bearing large spheroids + cancella, about 40' above base of Butte. (Sample numbers = 5'7") (1+2) 11'2" Buff friable massive sand. at base is zone of large hard sandstone red-brown core-grey shell concretions bearing large spheroclines. Lower 5' has typical FH concretions scattered thru. (3) 5'7" Buff friable massive sand