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<br />Monument Lake Dam Feasibility Study <br /> <br />18 <br /> <br />.- <br />I3CJ"'LE.~ <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 />I <br />I <br />I <br /> <br />Chapter III - Background Information <br /> <br />location. The water levels in Well B I 03 are consistent with that observed during drilling of the <br />borehole. <br /> <br />Table ill-5 presents the laboratory index tests that were performed on selected samples <br />from the borings. The test results are presented in Appendix D. <br /> <br />In general, the data obtained from the borings are consistent with that reported previously. <br />The gage height ofthe embankment is 41 feet, which is consistent with the 41 feet of <br />embankment fill encountered in BIOI and B 1 02. The embankment fill reported previously by <br />Nelson, Haley, Patterson, and Quirk was silty sal1d and clayey sand, which is also consistent with <br />the materials encountered in our borings. The difference between our findings and that reported <br />by Nelson, Haley, Patterson and Quirk appears tl) be relative proportion between the silty sand <br />and clay sand. In the 1974 report, the predomim\nt embankment fill material was clayey sand <br />(Se), whereas the predominant embankment fill encountered in B 1 Oland B 1 02 was silty sand <br />(SM, SW-SM) and silty gravelly sand (SM, SW-SM). <br />