7/5/82 8211 Road to Dumbell Hill at top of escarpment just where road comes off Polecat Bench 1130 m C of SW Corner, 340 m W of SE Corn of Sec 31 T 57N, R 98W, Park Co. Wyo Denver Reservoir Quad. Shale 0- Fissile, 5Y6/2, W/ PARC root casts, vertical 0.10-0.11 0.11-0.12 0.18 grades upward to 5Y5/2 SITSY W ROOT CASTS some limonite STAINING. 0.12 Fissile Shale 5Y6/2 SH 0.23 SH becomes massive limonite ST, still present 0.2-0.3 0.3-0.4 -0.3 fissile SITSY. becomes massive, some gypsum. 0.46 SS in small channel at 5SSP 2'S and 0.4 1' W then up to 0.52 limonite ST. at base SS, vfg, clay-y, SS -> S.R. weak frays, disturbed bedding, 0.4-0.5 0.5-0.6 0.6-0.7 0.7-0.8 0.169 Fissile Carb Mudst 5Y 6/2 Fissile silty clay at 0' 75 0.8-0.9 0.8 Fissile SITSY 5Y5/6 W/ root casts 0.88 SITSY, ICNS, W brown 0.9-1.0