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41 <br /> i <br /> FIGURE 6A ' <br /> 5/7/88 <br /> Eleventh Street <br /> Fire <br /> Hydrant �� <br /> M ti <br /> _ Vf�l,./f///L/+/F1JAj. <br /> ���i . Existing 3 <br /> Excavation t,{38.64' ) <br /> Q 38.70 <br /> w - <br /> > `�—• <br /> 38.75 <br /> .� , _• Existing <br /> Building 38.80 <br /> Note: Wa -er <br /> WEGg measuremen an <br /> Datum N gradient: d termination 38 <br /> May 7, 19B __ 38-85 <br /> MJoI�2 <br /> (38.89' ) <br /> 38.90 <br /> s <br /> Horizontal Scale 1 .240 i <br /> 1 " 20' <br /> 'Prue North <br /> Subsurface Water Gradient: Explanation <br /> Desert Petroleum Service Station 4787 Water gradient: contours <br /> 950 11th Street, Tracy, CA. above mean sea level. <br /> San ,Iaaquin.Count:y <br /> Sec 29; T2S; RSE; MDB&M Monitor well location. <br /> I3Y <br /> WESTERP CEO-ENGINEERS WEGE datum, approximate <br /> George L. Converse location of 50 foot contour <br /> taken from USGS Topo 89' S <br /> Peter Allen 3oB # 8&-2309 of firo hydrant. <br /> WALTON ENGINEERING <br /> Ponded water. <br />