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U.S. GEOLOGICAL SURVEY McCALLUM AREA <br />" DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. G16 Map Gould NW Date logged 8-22-77 Elevation (f [) 8,365 <br />Location: T. 9 N. , R. 78 W. , sec. 33 1625 p N L 325 F E L Cored: ~ Yes © No <br />Drilled depth 200 Logged depth 200 Drilling medium air Fluid level 55 <br />Geophysical logs: <br />Spontaneous potenti al (SP): Scale 50 my/in Logging speed 20 fpm <br />Resistivity (RES): Scale 100 ohms/in Logging speed 20 fpm <br />Gamma (G): T.C. 4 Scale 100 cps/in Logging speed 20 fpm <br />Density (DEN): T.C. 4 Scale 3.2 Kcpa/in Logging speed 20 fpm <br />Remarks: Dip of strata is approximately 36o WSW. Twin drilled, coal cored in <br /> H ~ GEOPHYSICAL LOGS <br />LITHOLOGY a <br /> p <br />., <br /> m G SP RES DEN <br />0-5 Soil <br /> - <br />5°21 Gravel ____ _-_- _ -- <br /> _ ~ _ _- -- <br /> <br /> -- - - _ - ~ ~ =T= <br /> -- -- <br />~ <br /> <br />-- _ <br />_ _ <br />~.:.. <br />-_ = -- -- -i <br /> _.. __ <br />21-142 Mudstone, gray '_'-_ ' <br />- - _= <br /> <br />142-168 Coal _ <br />- =1iC <br />=€ <br /> __ <br />168-200 Mudstone, dark-brown (light- - -- = ,,,,-__ <br />..,_ <br />brown at 195'-200') <br />DEPTH <br />FT M <br />0 <br />10 <br />50 <br />20 <br />100 30 <br />40 <br />150 <br />50 <br />200 60 <br />70 <br />250 <br />80 <br />90 <br />300 <br />48 <br />