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U.S. GEOLOGICAL SURVEY McCALLUM AREA <br />•• DR1LL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. J1A Map Johnny Moore Mountain Dale logged 8-23-77 Elevation (f t) 8.200 <br />Location: T. g N., R. 77 W., sec. 6 800 Fg L 1000 F~L Cored: Yes c~x No <br />Drilled depth 40 Logged depth 40 Drilling medium Air Fluid level 9 <br />Geophysical logs: <br />Spontaneous potential (SP): Scale 50 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 cpa/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 26o SW. <br /> <br />I T °;~ <br />a <br />~ GEOPHYSICAL LOGS <br />L <br />HOLOCY E <br />., , <br />~ <br /> ~' G SP RES DEN <br />0-20 Mudstone, brown - - - ~ ___ <br />20-32 Coal -- -- _ __ _ - - <br />32-42 Mudstone, brownish gray and brown _- - - ~ -- - <br /> _ <br />- - , - <br />- --_ I <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 />ao <br />90 <br />is <br />