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U.S. GEOLOGICAL SURVEY <br />DRILL-HOLE LOG, JACKSON COUNTY, COLORADO <br />Hole No. E17A (continued) <br />LITHOLOGY a GEOPHYSICAL LOGS <br /> F <br />H <br />G SP RES DEN <br /> .. - <br /> ~ <br />300-341 Mudstone and muddy siltatone __ <br /> <br /> <br /> <br />341-351 Sandstone, very light gray, <br /> _ _ <br />coarse-grained <br />angular <br />, <br />, _ <br />poorly consolidated <br /> <br /> , <br />351-375 Mudstone, brownish-gray <br />375-385 Sandstone, very light gray, - - <br />- i _ _ <br />-. <br />-- _ <br />coarse-grained, angular, <br />poorly consolidated <br /> <br />385-433 Mudstone, medium-light-gray <br /> <br />- _ <br />-_ _ _ ___ _ <br />= _ _- <br />-- ,~- - <br />i = <br />~ - - <br /> <br />431-461 Sandstone, very light gray, <br />coarse-grained, angular, poorl <br />consolidated; interbedded <br />mudstone <br />__ <br />,:- I - <br />_ <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 />700 <br />51 <br />