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WYOMING FULL COMPANY <br />DRILL HnLE LOG <br />Hole No. _ lA Hole Location TBN, R78W Sec. 11 1370 FNL, 660 FAIL <br />•urface E1. 8206 Property Sigma Mine Extension ___ <br />Date Spudded 12-6-79 Date Completed ^ 12-6-79 ___ T•D• 379 <br />Drilling Contractor Teton .Exploration Drilling Co. <br />Logging Contractor Not Logged <br />T.D. (Log) --- Hole Size 7" Geologist M.J. Minkel <br />Comments Drilled for installation DF PVC Pipe for water duality moni- <br />toring station. Bottom 17' of hole cored. <br />Description by Willard Owens Associates. _ <br />INTERVAL DESCRIPTION <br />0'-15' Mudstone, tannish-gray, small spots of limonite, clay binder <br />15'-20' Mudstone, gray, shaley, moderate shale parting <br />20'-35' Shale, black, carbonaceous, thin coal streaks <br />35'-50' Mudstone, gray-lt. gray, moderately shaley parting 35'-40' <br /> and 95'-50', very thin coal streaks throughout <br />50'-100' Shale, gray, muddy, moderate fissility, mudstone stringers_ <br /> throughout _____ <br />100'-105' Mudstone, gray, with shale partings and thinly interbedded_ <br /> quartz sandstone <br />105'-115' Shale, gray-black, carbonaceous, with some thin coal stringe <br />115'-135' Shale, gray, muddy, with some thin beds of mudstone, _ <br /> slightly calcareous _ <br />135'-190' Shale, gray to gray-white, muddy, with interbedded fine- <br /> grained biotite qua.rtzo-feldspathic sandstone, calcareous _ <br /> binder <br />140'-160' Mudstone, gray, with shale partings, slightl calcareous <br />160'-215' Mudstone, gray to gray-white, with shale parting and inter- <br />rs <br />Continued on Page 2 <br />