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GEOCONSULTANTS, INC. <br /> Geotechnical Consultants <br /> Geology • Ground Water <br /> 1450 Koll Circle,Suite 114 <br /> San Jose,California 95112 <br /> Telephone (408)453-2541 <br /> Fax (408)453-2543 <br /> December 8, 1992 <br /> Project No. G758-09 <br /> Mr. Richard Blaine <br /> Blaine Tech Services, Inc. <br /> 985 Timothy Drive <br /> San Jose, CA 95133 <br /> RE: GROi,"ND-WATER ELEVATION +CONT01rR MAPS <br /> CHEVRON SERVICE; STATION NO. 9-1848 <br /> 1257 YOSEMITE AVENUE, MANTECA CALIFORNIA <br /> Dear Mr. Blaine: <br /> In accordance with your request, please fled attached <br /> the November 17, 1992 ground-water elevation contour map for <br /> the subject site. The depth to the water table was meaaured <br /> in three wells (C-1, C-2, and C-3) by your staff. An ele- <br /> vation datum of mean sea -level was utilized. The ground- <br /> water elevation contours were extrapolated from the three <br /> wells, and are to be considered only approximate in nature. <br /> The general direction of the ground-water gradient is <br /> indicated on the contour map. <br /> call.If you have any questions regarding the map, please <br /> Very truly yours, <br /> GEOCON. TANTS, INC. <br /> ca*___� <br /> David J. Welch <br /> Pro?ect Geologist <br /> john K- of <br /> Engine-es ing Ge .Logist, EC7'-1065 <br /> • JKH:dj w <br /> (CH91848.N92 <br />