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<br />I <br />I <br />I <br /> <br />DRll.LING METHOD HX Coring <br />DEPTH TO GROUNDWATER Not Ene. <br /> <br />DESCRIPTION AND CLASSIFICATION <br /> <br />DESCRIPTIDN AND REMARKS <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Logging of borehole B-3A was done from <br />return water and or mud circulation. No <br />sampling was attempted. <br />Medium to coarse sand and gravel <br /> <br />at 9 ft: loss of mud circulation <br /> <br />Bottom of borehole at 40 feet below <br />existing grade <br /> <br /> <br />NORTHWEST, INC. <br />Consulting Engineers & Scientists <br /> <br />SURFACE ELEVATION 268.0 feet <br />BORING DIAMETER 3-ineh <br /> <br />DEPTH <br /> <br />ST SOIL (FEET) <br />CONSI TYPE <br /> <br />20 <br /> <br />25 <br /> <br />30 <br /> <br />35 <br /> <br />LOGGED BY <br /> <br />NTD <br />8/7/94 <br /> <br />DATE DRILLED <br /> <br /> ZUJ~ ~ <br />'" aUI- '" >- <br />HZu. "'~ '" <br />UJ I-a;, WELL <br />...J a;1-U) UJI- UJ~ 0 ~ <br />0- "'U):J: I-Z 5.--: " ." <br />:E I-Ha a;UJ u~ '" ~ <br />a; UJU)...J :J:I- CONSTRUCTION <br />U) ZUJlXl Z UJ <br />a '" <br /> ~n::'-I U <br /> - <br /> - <br /> <br />5 <br /> <br /> <br />10 <br /> <br />15 <br /> <br />EXPLORATORY BORING LOG B-3 A <br /> <br />PROJECT NO. <br /> <br />7147-G <br /> <br />CONTINENTAL DAM <br />HINSDALE COUNTY, COLORADO <br /> <br />DATE <br /> <br />BORING <br />No. <br /> <br />B-3A <br /> <br />February 10, 1995 <br />