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<br />Lawr~~rlce S&H Letter <br />Page 3 <br />6. S&H is vague as to the nature of other types of operations on the proposed site. S&H <br />refers to a concrete and asphalt batch plant, but does not provide specific plans as to <br />expected annual and daily production values. These types of operations consume water an <br />must be properly augmented. In my opinion, S&H should be required to provide a <br />detailed explanation and operating plans to the DMG prior to the issuance of a permit. <br />S&H should be required to provide a delineation ofwetland species and a plan to prevent <br />the migration of pravie dogs to adjoining land owners property. I believe the DOW has <br />provided sufficient comments to ensure that species of interest are protected from this <br />mining operation. <br />8. Finally, the proposed mining plan does not address traffic volume and patterns. S&H <br />states that 600,000 tons annually will be produced from the mine. Assuming a 6 day work <br />week, the average daily truck traffic will be 52 large trucks. This volume of traffic is faz <br />greater than the present amount of truck traffic in the area. S&H does not present any <br />detail regazding haul routes and improvements that will be necessary to ensure the health <br />and safety of the community. <br />9. S&H had proposed in the past to keep all mining operations at least 150 feet from the <br />Western Canal. Mining closer than I50 feet may cause stability issues and result in the <br />breaching ofthe ditch. <br />10. S&H has not presented engineering plans for all bridge crossing or culverts. Therefore, I <br />cannot evaluate the sufficiency of any of the proposed crossing. The Western Mutual will <br />not allow for the installation of any structures within its easement until after the irrigation <br />season to avoid disruption of water supply it is shockholders. <br />Sincerely, <br />LE GINEERING <br />F s , P.E. <br />LEAF ENGINEERING <br />Hydrology ~ Hydraulics ~ Water Resources ~ Water l]uality <br />L:V.ea11\ ~ c tem MutuaPl.ewrcncc Western Mumel Injury Lencr.wpd <br />