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I � <br /> March ld. 2010 <br /> nddition to Stccvcs Rcsidcncc <br /> l.K,n .lob No. 10-OOA <br /> Paec 3 <br /> I.511:1 V inclinalion lor a vcrtical drop of abou, 2i to 30 Icct to the lo�vcr �rest bcnch area <br /> which also slopcs gcntly ���cst�vard. <br /> /�s sho���n on Platc 2 — Sitc Plan. thc subject rcsidcncc silc is currcntly occupicd to���ards <br /> thc cast cnd of upper cast bcnch by un cxisting housc to thc back of which a new addition <br /> is proposcd. Currcntly, the unpaved open arca of this upper cast bench is mostly covered <br /> �vith lawn crass. ���ith scattcrcd mature trccs dotting thc back��ard and shrubs and brush <br /> covcring thc acljaccnt stccp slopa "I'hcre arc no disccmablc signs of soil movemcnt or <br /> crosion duc to surfacc runolT or ground���atcr sccpagc on thc stccp slopc. <br /> Geologic Setting and Soil Conditions <br /> Gcolokic M•��of thc Pvcrctt 7 5-Minutc Qu�dr•�n4�lc Snohomish CountY. W�shin�lon, by <br /> Jamcs P. Minard, publishcd by U. S. Gcological Survcy in 1)85, was rcfcrcnccd for thc <br /> gcologic and soil conditions at thc sitc. Accordine to this publication, thc surficial soil <br /> units at and in thc vicinity of both thc subjcct silc and thc Refcrcncc Sitc arc mappcd as <br /> Vashon "I'ill (Q,.,) undcrlain by ndvancc Out���ash (Q,:,1• <br /> 'I�hc gcology of thc Yugct Souncl Lu�vlanJ has bccn modi�icd Uy thc advancc mid mtrcal of <br /> scvcral glacicrs in thc past and siibscyucnt dcposits and crosion. "1'hc lat�st glacicr <br /> ad��anccd to thc Pugct So��nd Lo�vland is rcfcrccd to as thc Vashon Stadc o�� thc i�rascr <br /> Glaciation, which has occurrcd during thc latcr stagcs of thc Plcistoccnc I?poch and <br /> rcu�calcd �rom thc rceion somc I d.500 ��cars .ieo. <br /> LIU & ASSOCIATES, INC. � � � <br /> �,��; , <br />