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COLORADO LEGACY LAND <br /> E <br /> COMMENT No. COMMENT RESPONSE TO COMMENT <br /> conceptual diagram.Please provide a conceptual cross-section <br /> showing the anticipated outer edge of backfilled materials inside the <br /> mine,the gated mine openings,and the proposed backfill plan for the <br /> mine openings (from mine opening gate to toe of backfill). Please <br /> ensure the backfill plan shown on this cross-section portrays the <br /> proposed types of material(e.g.,Rock,Common Fill,Plant Growth <br /> Medium)and approximate placement depths of this material. <br /> Exhibit E-Reclamation Plan(Rule 6.4.5)On page 13,the Revised as requested. <br /> operator states"Water quality samples are collected quarterly from <br /> thirteen surface water sample locations and sixteen groundwater <br /> sample locations".However,according to the approved permit,there <br /> 5a are fifteen groundwater sample locations,including wells MW-00, <br /> MW-0,MW-6,MW-7,MW-12,MW-13,MW-14,MW-15,MW-16,MW- <br /> 17,MW-18,MW-19,MW-20,Raw Feed/Mine Refill,and collected <br /> sump water from Sump#1 (Master Sump).Please correct this <br /> statement accordingly. <br /> Exhibit E-Reclamation Plan(Rule 6.4.5):In Table E-3- Revised as requested. The"Notes"section of Table E-3 has been <br /> Groundwater Sample Locations,all sumps(including Sumps 1,4,5,8, revised for clarity. Additionally,the Location ID/Sample ID for <br /> 9,and 10)are said to be"Discontinued".Additionally,under the "Sump 1"has been revised to read,"Mater Sump(Sump 1)" <br /> Sumps sampling location(in the last row),it states"Combined <br /> 5b pumpback water from sumps".However,according to the approved <br /> permit,Sump 1 has not been discontinued and is designated as the <br /> "Master Sump",from which,water is collected (inside the water <br /> treatment plant)for water quality analysis.Please correct this table <br /> accordingly. <br /> Exhibit E-Reclamation Plan(Rule 6.4.5)The Figure E-3- <br /> Groundwater Monitoring Locations map is not the most recent <br /> version of this map from the approved permit(see enclosed <br /> Groundwater Monitoring Locations map provided with the 2nd Revised as requested. Please not the figure numbers have <br /> 5c Quarter 2020 Sampling Results on October 16,2020).It should be changed in response to comments received. Figure E-4 is not the <br /> noted,there is one error on the enclosed map which should be Groundwater Monitoring Locations map. <br /> corrected for future submittals-the surface water monitoring <br /> location"SW-BPL"is erroneously included and should be removed. <br /> Please revise Figure E-3 accordingly. <br /> PAGE 6 OF 10 <br />