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•-1 78,-o 7Z <br />Lincoln County <br />lc? <br />Land Use Office <br />P.O. Box 39 <br />Hugo, Colorado 80821 <br />Ph. 719-743-2337 <br />Fax 719-743-2815 <br />% <br />? Novo 52 <br />November 4, 2008 <br />Jared Ebert <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RE: Lincoln County Brent Pit Conversion <br />Dear Sir: <br /> <br />Enclosed with this letter is the hard copy of the information submitted by Lincoln County <br />for the second adequacy review dated November 4, 2008. There may be some inadvertent <br />minor wording changes from the email version and I apologize for that in advance. <br />6.4.4 EXHIBIT A - Minina Plan <br />1. The seeding mixture utilized to stabilize the topsoil or overburden stockpiles will <br />depend on the time of year these stockpiles are stabilized. Oats will be required <br />when the piles are built in early spring, millet seed would be required in late spring <br />early summer and winter wheat would be required for late summer or early fall. <br />Lincoln County would not use the smooth brome in any situation. Lincoln County <br />commits too stabilizing all stockpiles, as the expected life of these piles is more <br />than 180 days. <br />2. The "Stormwater Containment Dike" is a dike of native soil constructed by motor <br />grader. This dike would be approximately one foot high and two feet wide at its <br />base. The dike would be removed prior to reclamation of the pit. The dike would <br />be constructed to prevent storm water from carrying erosion products directly into <br />Hell Creek. The dike would impound some water and allow the eroded soil to <br />settle out and the storm water could then percolate into the ground. <br />3. The general mining operation would not impact either the quality or quantity of <br />ground water <br />4. All topsoil found on the site will be salvaged by stockpiling and then stabilization. <br />The topsoil on the site ranges from four (4) to ten (10) inches in thickness.