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U.S. GEOLOGICAL SURVEY McCALLUM AREA <br />' DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. J14 Map Johnny Moon-Mtn Date logged 8-22-77 Elevation (f t) 8,355 <br />Location: T. 9 N., R. 78 W., sec.26 1525 F SL 2775 F E L Cored: ~ Yes ®No <br />Drilled depth 200 Logged depth 200 Drilling medium air Fluid level 170 <br />Geophysical loRS: <br />Spontaneous potential (SP): Scale 25 my/in Logging speed 20 fpm <br />Resistivity (RES): Scale 500 ohms/in Logging speed 20 fpm <br />Gamma (G): T.C. 4 Scale 100 cpe/in Logging speed 20 fpm <br />Density (DEN): T.C. 4 Scale 16 Kcps/in Logging speed 20 fpm <br />Remarks: Dip of strata is ap proximatel y 59o ENE. Tvin drilled, coal cor ed in <br />second hole. <br /> ~ ~ GEOPHYSICAL LOGS <br />LITHOLOGY H s <br /> <br /> ~' G SP RES DEN <br /> <br />-- - 'L <br />- - -=- ` <br /> <br /> <br />0-79 Mudstone -- <br />-- <br />_- _ `° ~ _ <br />.-_ ~ <br />_ __ _ `i -- <br /> ~ _~~ -_- _ <br />=- <br /> _- ~ - <br />- <br />_ _ <br /> _ <br />= z-, <br />- - - _- , <br /> - ~ =_ _ <br />79-171 Coal - ---_- - -- - -~ 3 <br />- _ - _ --_ <br />171-200 Sandstone, fine-grained - _ ____ - --=--_ <br /> <br />DEPTH <br />FT M <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 />45 <br />