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U.S. GEOLOGICAL SURVEY McCALLUM AREA <br />DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. J12A Map Johnny Moore Mtn Date logged $'22'77 Elevation (f t) 8,190 <br />Location: T. 9 N., R. 78 W., sec. 23 200 F SL 4575'F E L Cored: ^ Yes © No <br />Drilled depth 139 Logged depth 139 Drilling medium air Fluid level 77 <br />Geophysical logs: <br />Spontaneous potential (SP): Scale 50 my/in Logging speed 20 fpm <br />Resistivity (RES): Scale 50 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 cps/in Logging speed 20 fpm <br />Remarks• <br />41 <br />