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� - • <br /> t. �+ - <br /> e..c•a. n■.�w L.bw�.owr, mc� <br /> November 26, 1979 ' <br /> gast�r Dev�lopm�nt <br /> Cett. No. 7911-�4G <br /> paqe 3 , <br /> All t��t bosinq� wr� Performed using a truck awunt�d, '11obi1�` <br /> B-61, tNavy duty rotary drill advancing 3-3/B inch I.D. bolla► <br /> �ta� aug�r. 1►11 soil �uples vreze obtainad u�in.q �t�M�rd P�n�" <br /> tration aquipment a� pe= �TM D-15B6 (2 inch O.D. split �p�r <br /> ��mpltr driven by a I40 pound hammer fallinq 36 incM�) . � <br /> Aeoord• oi �tnndard p�natration data and cl:ologisti�in tM !1•ld• <br /> se�ple� w�r� perforrd by our engineering g <br /> �1 i�npl�� v+ere vi�wlly clas�ified at the •ite. <br /> Itota on Blwation� <br /> ]111 elevation� or d�pth� r�farred to herein are ba��d upon tM <br /> axi�tinq surface elevation at the time of our investigation. <br /> 9trat�,i�PhY <br /> Tha �oil� �naounter�d durinq our inve�tigation er� best illu�tr�t�d <br /> by th� accompenying t��t borinq log�. <br /> In swnmary the entire eite is undarlsin by a very d�n��, 9=�Y• <br /> qravelly, silty eand to eandy �ilt. Thi� meterial Ai�pl�r� t�M <br /> characterietics of a eandy, lodqement "qlacial till", and !� �o <br /> ma,pped on the current government publications. Th� thiokn��� oi <br /> thie unit ie unknown, but 1e thoughC to be �ubstanti�l. <br /> Tt�e basal lodqement till ie often expoaed on the �urfa�c::i"b�N�u• <br /> In teet boring 1 the lodgement till was overlain by <br /> of denee, tan, cobbley eilty eand. interpr�tod to b� �n •blalia� till. <br /> Th� s unit wae obeerved primarily in the ea�tern portion o! tM �ite. <br />