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Geology <br /> Site-specific geelogical inf rmationthe vicinity <br /> investigations niyofWeber <br /> at t e1515 <br /> property is limited to thatdeveloped <br /> West Weber location, as described below. <br /> West Weber te. From <br /> Two soil types Were found to underly the15.15ately 0 feet,ithe soils <br /> the ground surface to a depth of app Below 10 feet, and to <br /> consisted of semi-consolidated silt and silty clay. <br /> the depth explored (30 feet), the soils consistee of ofunconsolidated <br /> i <br /> sand. Groundwater was encountered at a depth <br /> 1l2 feet below ground surface. <br /> On a regional basi ins some <br /> additble, as desgribed belowrmation regarding <br /> the geologic setting <br /> The West Weber properly lies within the Great Valley geomorphic <br /> ir<.etric synchlinarium <br /> province of California. The Valley is an aloe the western margin. <br /> containing up to 60,000 feet of sediment along <br /> The sediments consist of marine and non-marine latPT r assicatto <br /> to se <br /> early Tertiary clastic material. Late Tertiary <br /> sediments are exclusively cf non-marine clastic deposition da iosurface <br /> variety of alluvial-fluvial <br /> environments tockion are present <br /> ts the Late <br /> outcrop of geologic units <br /> Tertiary alluvial valley fill derived from the San Joaquin dred feeet.et. River. The <br /> fill probably extends to a depth of several hun <br /> Hydrology <br /> ndicate <br /> Investigation and tWaterraval fe afeetities in below theis area groundisurface. the <br /> At <br /> occurrence of ground <br /> 1515 West Weber, the ground water flow gradient is y day y induced <br /> Both gradient and flow direction are influenater Channel. prior <br /> water level fluctuations in the nearby Deep <br /> investigations by HI infelwir Inn c. feet f the site.that there have indicatedare no <br /> known water supply <br /> wells 2-2 <br />