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U. S. GEOLOGICAL SURVEY <br />DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. E-19 (continued) <br /> <br />LITHOLOGY °' <br />~ GEOPHYSICAL LOGS <br /> F <br />y <br />G <br />SP RES <br />DEN <br />300-322 Siltstone, medium-light-gray and - <br /> <br />white, fine-grained, well- _ <br />-- <br />sorted <br />well- <br />onsolid <br />t <br />d - ---_ -- 3zc' <br />_ <br />, <br />c <br />a <br />e <br />, _ <br />.._... <br />with biotite <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 y00 <br />210 <br />59 <br />