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Tl .K-LEINFELDER <br /> Anemptoyeeowned mmwm, - <br /> File No.29007.G01 <br /> January 8,2004 <br /> y . " I&Bob McCanick. <br /> DeSilva Gates Construction <br /> 11555 Dublin Blvd <br /> �,• Dublin,.CA 94568 <br /> Subject: GROUNDWATER ELEVATIONS <br /> .,. <br /> THOMING AGGREGATE QUARRY . <br /> VERNALIS, CALIFORNIA <br /> s✓ References: Kleinfelder, "Geotechnical Services Report — .Slope Stability Analysis - <br /> Thoming Aggregate Quarry—Vemalis,Califomia,"August 21, 2001 <br /> a Kleinfelder, "Groundwater Depths and Elevations-Thoming Aggregate Quarry <br /> —Vernalis, California,"December 16,2003. <br /> Dear W.McCarrick: <br /> As requested we present.the results of our study of groundwater eldvations at.the proposed Thoming <br /> Aggregate Quarry to be located'in Vemalis, Califomia . This ietfer is a follow up to-the referenced <br /> report and letter. <br /> Groundwater dt tiths and elevations in the project area were obtained from measurements made during <br /> our previous drilling operations and on well soundings posted on the State of California Department of <br /> Water Resources web page &://wdl.water.ea. This data is presented on..the attached plate. <br /> r. <br /> - - Based on the data obtained,-the elevation of groundwater-in the project area"is relafively.level and is <br /> typically at.about 7.5.feet(MSL)+(-5 feet. <br /> We.appreciate the opportunity;of providing our services for this project. We note that the Additional <br /> Services and Limitations sections of the original report still apply. If you have questions regarding this . <br /> letter or if we may be of further assistance,please contact our office. <br /> QgnFESS/0p� <br /> Respectfully submitte Q�oa J. 0� YF <br /> HLEHOTLIDE111,, �y c� Reviewed by. <br /> m No.64998 m <br /> d 6-07 a <br /> qlE Q� . Ron Heinzen,G.E.- <br /> Ryan J. t]lsen,C.E.. Op Cptt(� <br /> Staff Professional Senior Principal./Client Service Manager <br /> RJOar Attachment cc: . Dane Brown,Resource Design <br /> 2M <br /> ST041,007 0 2004 Kleinfelder,Ina <br /> L. KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-13-05 12091 948'-0621 fax <br />