7650 Basal Fort Union Fm just above ( LANCE CONTACT Center Sec. 1 T57N, R100W. 1-3' above LANCE- METASEQUOIA EUCOMMIA SEEDS + LEAVES PARANYPHAEA VIBURNUM CUPANIODES X precursors) VIBURNUM ANTIQUUM "AMPELOPSIS" FERN. CERCIDIPHYLLUM? MENISPERMITES? RHAMNUS CERBURNI? 3 leaves DIVERSE LITTLE FLORA RETURN Amoco Production Company Eber Unit No. 1 Well no. 258 Federal lease - Cheyenne 065711 SW/4 NE/4 Sec I - T57N - R100W Fossil bearing unit a thin bed light med grey SILST W. siderite impreg. SILST. base at base SILST MILACEOUS