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J. N. KLEINFELDER &ASSOCIATES <br /> S SITE GEOLOGY GDARAC7MUZATION <br /> Six hydrogeological zones have been identified within the near-surface <br /> sediments below the project property. Significant lithological horizons <br /> were identified from the available data, these included lithology, <br /> location and geometry of unsaturated soil horizons (i.e., vadose zone), <br /> the uppermost water-bearing unit, confining layers and multiple aquifers. <br /> The general characteristics cf each zone are presented visually to show i <br /> interrelationships on a geologic fence diagram (refer to Figure 7). The <br /> general characteristics of hydrological zones within the vadose zone are <br /> presented visually to show interrelationships on the geologic cross <br /> section A-A' (refer to Figure 6). The areal locations for geologic cross <br /> section A-A' and for the geologic fence diagram are shown on Figures 4 and <br /> 5, A bold horizontal line representing the approximate potentiometric <br /> suxface is shown on the fence diagram. A property-wide hydrogeological <br /> zone summary utilizing logs from all artificial penetrations (refer to <br /> Figure 2) is shown on Table 4 of Appendix A. The lithology logs for known <br /> artificial penetrations are included within Appendix D. <br /> Several significant geologic observations of the near-surface sediments <br /> s encountered below the project Property have been noted. These E <br /> observations are as follows: <br /> Encountered sediments are unconsolidated. <br /> s Apparent lack of bedding structures. <br /> m observed lack cf vegetative-organic material. <br /> r Grain size: genera <br /> )-ly five grained clays, silts, and sand <br /> indicating low energy depositional process. <br /> 4 <br /> I <br /> s General lack of laterally extensive thick clay units. <br /> $ <br /> 53-87-443 <br /> 4 <br /> Imo. <br />