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<br />I <br />I <br />I <br /> <br />DRILLING METHOD HX Coring <br />DEPTH TO GROUNDWATER Not Ene. <br /> <br />DESCRIPTION AND CLASSIFICATION <br /> <br />DESCRIPTION AND REMARKS <br /> <br />I <br />I <br />I <br /> <br />37.5- 41.5 ft: fractures at 3Tll", 38'2", <br />38'9",39'1",40'8", and 40'10". <br />note that at 40' I" the rhyolite rock is <br />crushed. <br />42.5-47.5 ft: one vertical and one <br />horiwntal fracture at 43' . <br /> <br />I <br />I <br />I <br /> <br />at 47.25': very soft rock, weathered to a <br />dense coarse sand product. <br />47.51051.5 ft <br />at 47.5': 10.5" of highly fractured rhyolite <br />breccia,S fractures at 45 degrees and <br />horiwntal <br />below 48.5 feel the rock is massive with <br />o breaks. <br />Bottom of the borehole at 51.5 feet below <br />existing grade. <br />Note: <br />Borehole inclination is 45 degrees. <br />All depth shown are measured based on <br />the borehole inclination and should be <br />multiplied by 0.71 to obtain actual vertical <br />depth. <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />NORTHWEST, INC. <br />Consulting Engineers & Scientists <br /> <br />SURFACE ELEVATION 290.0 feet <br />BORING DIAMETER 3-inch <br /> <br />LOGGED BY <br /> <br />DATE DRILLED <br /> <br />NTD <br />8/11/94 <br /> <br /> ZUJ~ ~ <br />'" OUI- >< >- <br />HZu.. "'~ D:: <br />UJ I-a;, WELL <br />"J a;1-(/) UJI- UJ~ 0 ~ <br />ll.. "'(/)3 I-Z 5X " >< <br />>:: I-HO a;UJ U~ D:: ~ <br />a; 31- CONSTRUCTION <br />UJ(/)"J Z UJ <br />(/) ZUJlD 0 D:: <br /> ~O::- U <br /> <br />DEPTH <br /> <br />SOIL (FEET> <br />CONSIST TYPE <br /> <br />PROJECT NO. <br /> <br />7147-G <br /> <br />. . <br />. . . <br />. . <br />. . <br />. . . <br /> <br />. . <br />. . . <br />. . <br />. . <br />. . . <br />. . <br />. . . <br />. . . <br />. . <br />. . . <br /> <br />. . . <br />. . <br />. . . <br />. . <br />. . . <br />. . <br />. . . <br /> <br />45 <br /> <br />100 95 <br /> <br /> <br /> <br />100 100 <br /> <br />...... <br /> <br />50 <br /> <br />EXPLORATORY BORING LOG B-1 <br /> <br />CONTINENTAL DAM <br />HINSDALE COUNTY, COLORADO <br /> <br />DATE <br /> <br />BORING <br />No. <br /> <br />February 10, 1995 <br /> <br /> <br />B-1 <br />