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•~ <br /> <br />Mr. Gary Tuttle <br />December 16, 1997 <br />Page 5 <br />that there will be no, or minimal impact to those nearby <br />wells. Alternatively, you can submit a monitoring and <br />mitigation plan as described above. <br />In Phases 2 and 3, when mining begins, the Division is <br />concerned that the presence of a slurry wall will result in 1) <br />a down gradient shadow, or lowering of the shallow alluvial <br />aquifer and 2) an up gradient bulge in the shallow alluvial <br />aquifer. The operator will either need to demonstrate that <br />the slurry wall will not significantly impact the down <br />gradient and up gradient wells or provide a plan to monitor <br />and mitigate impacts to nearby wells. <br />13. Exhibit S identifies several on-site and off-site structures <br />within 200 feet of the affected area. Pursuant to Rule <br />6.4.19, the operator will need to provide a notarized <br />agreement between the operator and the owner of that structure <br />stating that the operator is to provide compensation for any <br />damage to the structure or, if such an agreement is not <br />reached, provide an engineering evaluation that demonstrates <br />that the structure shall not be damaged by mining related <br />activities. The Division may include this as a stipulation for <br />permit approval. <br />Rule 1.8.1 states th <br />application must be fi <br />Clerk and Recorder. T2 <br />with an affidavit or <br />addition was filed with <br />the close of business <br />Division. <br />it changes and additions to the permit <br />Led with the Division and with the County <br />~e applicant must also provide the Division <br />receipt demonstrating that the change or <br />the County Clerk and Recorder no later than <br />on the day the change was filed with the <br />Please call me if you have any questions. <br />Sincerely, ~ ~ ~ <br />Gary Curtiss <br />Environmental <br />tc:Cerl Mount. DNC <br />Protection Specialist <br />c:\97058adq.wpd <br />