6/12/7C 7651 Amendment to Section Base In NE¼NE Sec 12, T57N R 100" Park Co Wyo O' m Base of section on massive yell gr br ss AT TOP OF LANCE 4.7 m direct measurement on Jacob's staff BASE of lignite First lign above LANCE & First of FU. Fort Union Fm Lign .09 m Thick Shales x siltst greenish yellow below no lignite carbonaceous shs in places. Typical Lance Lign at 4.7 m is one sampled at 766D STRIKE IN Lobo Pass 132° 17° SW 'AT STATION 25 131' 190 SW