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., <br /> � , � <br /> ; e <br /> � <br /> ��p . �-� <br /> � � � � <br /> ��� ; <br /> �� � ...� <br /> � <br /> x <br /> ��d � <br /> ��� Geo�rn±;ineeis <br /> o� <br /> M H . �, (horizontal to verti.cal) . The project area is covered with Chick brush <br /> �iyM� �� and scattered deciduous and second growth fir trees. Large stumps are <br /> ,�u� ; iq also present. <br /> �� It <br /> C SUBSURPACS CONDITIONS <br /> � `3� r� The subsurface conditions were explored by exca��ating 10 test pits <br /> 6 y � its ranged up to 12 feet and <br /> - �' ac_oss the site. The d_pths of the test p •� <br /> eatended to a minimum elevation of 568 feet. The approximate locations of <br /> � '�! thn test pits are shown in tigure 1 . Details regarding the field <br /> �exploration and laboratory procedures and restilts, as well as the <br /> '�� are presented in [lie apper.dix. <br /> �, <br /> exploration logs, � <br /> Subsvrface conditions across the site are relativel cal soil profile <br /> � on the conditions encountered in the test pits. The Cyp � <br /> F9 <br /> consists of a surficial zone of forest duff and roots overlying weathered <br /> '�� ! and unweathered glacial till. �he unweathered glacial till islacially � <br /> � `1 sand and gravel that has been g <br /> ���� dense, unsorted mixture of silt, <br /> � overridden. A dense sand and/or gravel unit was encountered below the <br /> � ' pj till in several of the test pits. - <br /> � At the test pit locations, the Iorest duff and major rent zone is <br /> �_, 4y generally approximately 6 inches thicic; however, at one location the duff <br /> ' f! <br /> � is up to one foot thick and localized areas with 6reac�r depths o <br /> i � <br /> � organics should be expected. In addition, occasional roots �oere o6served <br /> 'I �� kl <br /> i throughout the weathered zone. t,,p feeC in <br /> I ; The weathered glacial till zone ranges from about 1.0 to enerally <br /> I � lorations. A Chin surficial soil unit 8 � <br /> ��� � thickness at our exp i <br /> consisting of silty sand with occasional gravel was encounCered over the I <br /> � � � E Chis soil unit may in fact Ue part <br /> � weathered till in Test Pits 1, 7 and S; i <br /> i , <br /> ��. . <br /> of L'he weathered till or represent an erosional deposit. The weatiere .I <br /> � � till is typically brown or reddish Uro+.m in color and consists of silty . <br /> � � <br /> � +� sand with gravel, with occasional roots and a trace of organics. T e <br /> Idensity increases from loose to medium dense to dense at Che unweathered i <br /> r � <br /> till contact. MoisCure content determinaLions perLormr_d on samples ot tie <br /> ! e weathered till indicate a range of abouC 11 Co 24 percent. i <br /> �1 <br /> 3 <br /> 671 <br /> p3 <br /> - . . — —r- - . . . - .. � ' � I <br /> --,.�rtr- -,^2'Fc;� �I <br /> � � <br />