6/29/83 83'20 Seven Blackfoot Cr. Chalk Butte Quad. Base of Tullow marked by lignite w. ash layer 1 1/2' thick Above this is a grey channel ss w x beds rusty cemented lags and fluted erosional profile. to 40' thick. Tschudy sample no D3#-72K in This gully is where is Tschudy met) Below the lignite are sect, Channels in the Dinos in channels below 16 feet Below the lignite k in grey bentonitic cLAY Paleocene pollen in lignite Underclay of lignite w - Paranymphea 1 6' Below what we thought to be lowest lignite is another lign, w what Gene ShoeMaker