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North l r l 1, iit <br /> IlPage 2 of 3 <br /> sequence in which each stage or phase of the operation will be carried out. The new <br /> amendment adds an additional 442 acres, please provide a timetable that includes this <br /> information for. Also, please update the Exhibit C-2 Map with the mining plan phases. <br /> 6.4.5 EXHIBIT E— Reclamation plan <br /> 3. (Original Question) Rule 6.4.5 (1) requires specific depths of topsoil and overburden to be <br /> placed. Please provide a statement of the depth of topsoil to be replaced and how the topsoil <br /> and overburden will be stabilized from wind and water erosion. <br /> a. (Follow-Up Question) In the adequacy review response it is stated "The replaced <br /> overburden and topsoil depths at the end of mining would be equal to average <br /> overburden and topsoil depths measured during the boring of the exploration pits...we <br /> estimate these depths to be approximately 5 feet both for overburden and topsoil." The <br /> original mining plan submittal indicated that topsoil and overburden depths were about <br /> six feet deep on average. Please clarify this discrepancy? <br /> 6.4.12 Exhibit L— Reclamation Costs <br /> 4. The reclamation cost estimate does not include the cost for replacing 5 to 6 feet of overburden <br /> over the 125 acres mining phase. Please update the reclamation cost estimate to include this <br /> cost. <br /> This concludes the Division's adequacy review of amendment application. The Division is required to <br /> issue a decision on the application by February 25, 2021. The adequacy issue listed above must be <br /> addressed to the Division's satisfaction prior to the decision date, please submit your adequacy <br /> response no later than three days prior to the decision date. If you need additional time to address <br /> these issues you must request an extension of the decision date. Please be aware that that the <br /> Division will deny the application if outstanding adequacy issues remain when the decision date arrives <br /> or inadequate time is provided for the Division to review the response to the adequacy items. <br /> If you have any questions, please contact me at daniel.cunningham@state.co.us or (303) 866-3567 Ext. <br /> 8126. <br /> Sincerely, <br /> .„ <br /> Nu <br /> Daniel J. Cunningham <br /> Environmental Protection Specialist <br /> EC: Jared Ebert, Division of Reclamation, Mining & Safety <br />