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<br />forty-eight (48) feet below the surface. Varying anwunts of <br />silt are present in the sand and predomlr+antly fine oravel. <br />The amount of coarse gravel varies In the dry sand ar+d gravel <br />depcslt. Occasional cobbles were encountered at va+rying <br />depths in the sand and gravel layer. The maximum diameter of <br />these cobbles Is astlmated to be eight (8) Inches. <br />(4) Claystone t3edruck: The cla}•stone bedrock was encountered In <br />aorlny 6 a[ a depth of forty-eight (48) feet below the surface. <br />The upper one-I+alf (1 / 2) foot of the bedrock Is weathered. <br />(S) Gruurrdwater: Igo free groundwater was encountered at the time <br />of the ir+vestigatlon. itiater levels In this area are subject to <br />change due to seasonal variations and irrigation demands un and <br />adjacent to the property. <br />RCCUrJ~1.1Ef+Uf~TlOtdS AtJU UISCUSSIUh <br />• <br />In •ycneral, file sand aad rjravel observed is of pour quality with :, <br />large slit fraction avid gravel that is friable and of low durability. In the <br />aroa of the test borinys, th< ratio of sand and gravel to overburden to <br />the depths drilled is 2.3:1. Ttie average thickness of overburden is <br />approximately fifteen (15) feet, and the average thickness of the sart<1 <br />and gravel is appruxlmatcly thirty-four ar+d one-half (34-1 /2) feet. <br />GL=NEItA~ CUt.i:.:cNTS <br />Variations in soil and groundwater conditions may exist between <br />test brirings, Thesa variations may- not become evident until quarrying <br />operations takes place. Additional test borinys, test pits, and Iaborator~ <br />analysis may be needed prior to proposed quarrying uperotion s to +nore <br />accurately evaluate the quantity and quality of the grar+ular materials <br />encountered at the site. <br />• <br />-3- <br />