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August I R, ?IIII�I <br />Mr. Jim'I'humns <br />ISrh�cdcrc Luls 3? :md 13 <br />L�IA Jnh No. 4AOR8 <br />Pagc �1 <br />undislurhrJ .ind wcll-dr:iinrd. Ihc I�re,h till r.m providc rsrrllcnl liwndution supporl ���ilh liulc <br />sclllcmcnl cxprcled. 'I'hr Vashun'I'ill, ho�vcvcr, w:is nnt cncounicred hy aur Icsl pits. <br />fhr lsprrancc Sand soils :vc ndv:mcr outwash sand scJimcnis consis�s ol' proglacial Ilu�•ial und <br />lacusUinc dcposils I�iiJ down I,y slo�wmoving mrllwalcr strrams front lhc udvancing hut disl�uv <br />Vash�m gloci�r. II is gcncr.�lly compusrd of light hrown lu Iigh1 gruy, wcll-sortcd, linc-to- <br />mcdium-grnincJ s.md. It mny includc Icnscs of thin sih or �u:vsc sand �mJ small gruvcl lor.dly. <br />In cunlincd si�uuliuns, U�c I:s�icrancc Snnd suils nrc gcncr.illy in densc to vcry• dcnsc stulc. 'I'hc <br />I'sprruncc ti:md dc��usits. howc��cr, can suhjrrt rathcr c.isily lo r,iinwash crosiun and gullying. <br />and ntay luusrn up und sltwgh to ils anglr ol'repusc whcn cxposcd on slopcs or man-m.�Jc culs <br />��ilh puor vc�ctaliun cuvrr. 'llic I'.s���cruncr tinnd snils nrc quiic prrnic;�hlr ,md is uftrn s;durdcd <br />at Ihc hasc �vhcrc it is undcrl��in by an impervious silt to clay I;qrr. <br />I'hc 11'hiJhc}' liinnatinn is non-glaciul ri��cr �loud-�iluin dcpusits. Il consisls uf lighl-bru��n lu <br />gray. c�aycy, linc-sandy silt �vilh occasion.il gra��cl. "I'hr Whidhcy limnnliun is gcncrally vciy <br />siil'f Iu Imrd in its undititurhrd nalivc slu�c. It has a rrlalivcly luw pcnncability :inJ tcnds tu perch <br />pruun�lw:uur. ticcpagc ��ould cntcrgc uut uf slopcs ��hrrc thc Whidhcy IixnuUion is cspused on <br />tiluprs. \i'hcn lhc srcpagc pressurc is high, thc crocrging �e��tcr can crodc thc soils ahuvc lhc <br />src�iagc runc, und r.�usc Ihr ovrrlying suil tnass tu sluugh and :ull;q�sr. I h� \4'hiJhr� Gmn.ui�m <br />��;is not cncounlrrcd uvcr Ihc drpths ol'suhsurl;icc cxplorntion. <br />tiUlitiUItI�A('I�: CONI)1'1'IONS <br />I uur trsl horings ��crr. drillcd un thr riJgc shrll' porlion of Ilic lots !o cxplorc Ihc suhsurf:icc <br />run�litions uf lhr luts. I'est Rurings I anJ'_, IucatcJ ncar thc cresl ufthc stccp slopc Ilanking Ihr <br />rn,i tiidr uf ihr upland shrlf arc:i ��cre JrilfrJ l0 3G.5 icrl Jccp; nnd �I'esl Rorings 3 anJ 4, locatrd <br />L11' & ASSOCIATI;S, INC. �� <br />