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Jared Ebert <br /> September 16,2019 <br /> Page 6 of 11 <br /> part of the East Area is still a liability that also needs to be covered under the financial warranty. During <br /> the first phase of the operation, the Division would have to have sufficient bond to cover backfilling the <br /> exposed groundwater with a minimum of two feet of material above the water table. The Division would <br /> have to either excavate enough material on-site to do this activity without exposing additional <br /> groundwater or would have to purchase material to backfill the pit. Given this, please submit a cost <br /> estimate to complete reclamation assuming the South Area (Phase 1) has been mined and has not <br /> been reclaimed. <br /> a. DRMS Accepts Al's estimate <br /> Al Response: So noted. <br /> Rule 6.4.14, Exhibit N -Source of Legal Right to Enter <br /> 32. Exhibit N contains a Special Warranty Deed documenting the City of Thornton owns Tract J, <br /> however it does not document the Applicant's source of legal right to enter and conduct operations <br /> within this tract. Please provide documentation of the applicant's legal right to enter Tract J in <br /> accordance with Rule 6.4.14. <br /> a. Al Response: Aggregate Industries is working with the City of Thornton to obtain the required <br /> documentation. We will forward the information upon receipt. <br /> b. DRMS Response: This item remains outstanding and will need to be addressed prior to the approval <br /> of AM01. <br /> Al Response: So noted. The Legal Right to Enter from the City of Thornton has been approved as to <br /> form. We will forward the executed document upon receipt. <br /> Rule 6.4.19, Exhibit S —Permanent Man-made Structures <br /> DRMS Response: The Division has reviewed the Slope Stability Analysis adequacy response by Tetra <br /> Tech dated July 3, 2019. Enclosed is a Memorandum that summarizes the Division's review. Please <br /> address the adequacy review issued identified in the enclosed Memorandum. <br /> Al Response: The adequacy review issues in the submitted memorandum are addressed below in this <br /> letter. <br /> Mined Land Reclamation Board Conditions of Approval <br /> 44. The Colorado Mined Land Reclamation Board ("Board") conditionally approved the original permit <br /> application for the permit number M-2004-044 for the Tucson South Resource site with five conditions. <br /> Please review and address each of the five conditions of approval. Please specifically explain how <br /> these conditions are addressed with this Amendment application. If the Applicant believes a condition is <br /> no longer applicable, please explain in detail the basis for that assumption. <br /> Aggregate Industries—WCR,Inc <br /> 1687 Cole Blvd Suite 300 <br /> Golden,CO 80401 <br />