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U.S. GEOLOGICAL SURVEY <br />' DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. J12g (continued) <br />LITHOLOGY a GEOPHYSICAL LOGS <br /> F <br />ti <br />G SP RES DEN <br />300-329 Coal <br /> <br /> <br /> <br />29-392 Mudstone <br /> <br /> <br />- <br />-- _ <br />- = - --- <br />i <br />= i - <br />-_ _--_- - - <br /> <br />DEPTH <br />FT M <br />100 <br />350 <br />110 <br />120 <br />400 <br />130 <br />450 <br />140 <br />150 <br />500 <br />160 <br />550 <br />170 <br />180 <br />600 <br />190 <br />650 200 <br />210 <br />43 <br />