discont.? (Base Hell Creek?) 5) 2.5 Shale, silty at base, brown to liginite with pods and thin streaks vitrer-like coaly material 0.5 to 1.0 from base hard ferruginous concs made up of mash of fossil wood, + plant detritus, some dinosaur bones loc scattered in this interval. A second such cone layer at top this interval 6) 8.0+ Shale, brownish gray, plant frags, locally liginite, an O-B weathering. silty zone 2.5-4.0 above base and some scatt O-B weathering concs above. loc. liginite layer about 2.5 from tops. And ferrug concs, punky at top. 7) 41.0 Silt, light gray shale, weatherers lite gray with blotches Fe-OB. stein from scattered Fe concs 8) 3.0 Shale, light brush gray, silky, plant frags. Has 0.5 liq, sandy clay at top. 9) 11.0 Sandstone, lite-gray, x-lens, some liq lamine loc, weathers fluted, has small ovoid ferrug. concs.