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Water and Natural Gas Line Route Geotechnical Investigation (MR12 -12) <br />A site geotechnical investigation is required to support evaluation, design, and possible ff[ture ' <br />construction of a water and gas line route terminating at the Wadge Impoundment. A total of t <br />four (4) holes will be drilled at a spacing of 1000' along the route within the permit <br />boundary. The approximate locations of the holes can be found on the Reference Map along <br />with appropriate cultural resources survey locations. Holes will be drilled in either <br />previously disturbed areas or areas that have had cultural resource investigations as shown on <br />the Reference Map. <br />Tlie site `geotechnical investigations will ^provide � inf6rmation' pertaining to soil and rock <br />characteristics along the route. This ;will give # better understanding of the project scope and <br />costs involved. <br />An all- terrain drill rig will be used to complete sample holes to characterize rock and soil <br />materials present along the water and gas lines route. All auger -holes will be backfilled with <br />cuttings, leveled, and, if necessary, hand- seeded with the approved rangeland seed mixture <br />upon completion of drilling and sampling. The holes will be approximately 6" in diameter <br />and no deeper than 7 feet. <br />MR12 -12 2.05.3 -E5 09/12 <br />v <br />