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Applegate <br />Group, Inc. <br />Water Resource Advisors for the West <br />December 18, 2012 <br />Mr. Peter Hays <br />Division of Reclamation, Mining and Safety <br />Department of Natural Resources <br />1313 Sherman St, Room 215 <br />Denver, CO 80203 <br />V <br />Re: Bucklen Equipment Company Pit, File No. M- 1982 -131 <br />R esponse to Technical Revision No. 1 Adequacy Review <br />Dear Mr. Hays, <br />The following is in response to your letter dated August 28, 2012 regarding the adequacy of the <br />Technical Revision (TR -01) currently under review. <br />1. On page 3 of the technical revision submittal in the Mining Plan section, the Operator <br />states the lake will have a surface area of approximately 29 acres. The Reclamation <br />Plan map included in the technical revision indicates a reduced lake size with the <br />removal of the southeast corner of area being backfilled and deeded to the City of <br />Greeley. Please revise the anticipated lake area to account for the reclamation plan <br />change. <br />Answer: The reference to the lake area on page 3 has been modified to reflect the reduced <br />area of approximately 19 acres. <br />2. As required by Rule 3.1.5(2), when backfilling is a part of the plan, the Operator shall <br />replace overburden and waste materials in the mined area and shall ensure adequate <br />compaction for stability and to prevent leaching of toxic or acid - forming materials. <br />Please revise the updated reclamation plan to address the requirements of this rule by <br />describing the backfilling operation for the slopes. <br />Answer: This section of the reclamation plan has been revised to describe testing that will be <br />performed for backfill operations on the slopes. <br />3. Rule 6.2.1(2) requires maps be signed by a registered land surveyor, professional <br />engineer, or other qualified person. The Exhibit F map submitted to the Division was <br />not signed. Please resubmit a signed copy of the map. <br />Answer: The resubmitted map has been signed. <br />RECEIVED <br />DEc 2R 2012 <br />DIVISION OF RECLAMATION <br />MINING AND SAFETY <br />1490 W. 12 tt Avenue, Suite 100 118 W. 6 Street, Suite 100 <br />Denver, CO 80234 Glenwood Springs, CO 81601 <br />303 - 452 -6611 <br />www.applegategroup.com <br />