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Colorado Division of Reclamation,Mining,and Safety RECEIVED <br /> 1313 Sherman Street,Room 215 <br /> Denver, CO 80203 FEB 21 2025 <br /> :; �CAS SIOn of Reclamation, <br /> February 17,2025 IklG�rpo and Salley <br /> RE:West Side Placer(M-2016-081)—Response to Adequacy Review#1 (AR#1_CN2_M2016081.pdf) <br /> Dear Hunter Ridley, <br /> AuPt Industries LLC appreciates the Division's review of our application to convert the West Side Placer from a <br /> 110 to a 112 operation. Pursuant to the Adequacy Review#1 (AR#1_CN2_M2016081.pdf),we have updated our <br /> project Exhibits to address all comments and clarifications requested by the Division. Below is a summary of our <br /> revisions: <br /> MINING PLAN(EXHIBIT D) <br /> • Dry-Screening Process: Replaced references to a"wash-plant"with a"screening plant;'emphasizing no water <br /> is used in our primary mineral processing,which now produces a 6 mesh minus sand product. <br /> • Disturbance Acreage: Clarified that the screening plant footprint adds to a maximum total of 21 disturbed <br /> acres at any time(five-acre mining blocks, up to three active simultaneously,plus six acres for the plant area). <br /> • Timelines&Operations: Refined operational descriptions to ensure consistency with revised acreage and in <br /> response to the Division's concerns about concurrency and final reclamation timelines. <br /> RECLAMATION PLAN (EXHIBIT E) <br /> • Progressive Reclamation:Expanded details on the continuous reclamation approach, mining blocks, and <br /> immediate reclamation once blocks are mined out. <br /> • No Water in Processing:Confirmed that water usage is solely for dust control and other minor needs,with no • <br /> water-based mineral extraction. <br /> WATER INFORMATION (EXHIBIT G) <br /> • Future Wells:Added explicit clarification that while only one well (Permit#80109) currently exists,up to three <br /> additional wells might be drilled if future operational or monitoring needs arise. Their approximate locations <br /> are indicated in 6.4.3 EXHIBIT C. <br /> • Stormwater Treatment:Specified that"water quality treatment" refers exclusively to stormwater BMPs (e.g., <br /> berms,ditches), aligning with the Division's inquiry about end-dates for any water-related treatment. <br /> RECLAMATION COSTS(EXHIBIT L) <br /> • Borehole Removal: Revised the"Borehole Removal x4"line item to clarify that only one well exists now,but <br /> the estimate includes up to four total wells as a contingency. If fewer wells are ultimately necessary,reclamation ..5 <br /> scope and costs will be adjusted accordingly. <br /> Yrj <br /> • Cost Breakdown: Provided updated equipment cost tables reflecting the shift to dry-screening equipment and <br /> verifying the timeline and acreage to be reclaimed. <br /> HARDROCK/METAL MINING REGULAR f1121 APPLICATION AuPt Industries LLC I PO Box 1424-Edwards Colorado 81632 1 970 306 1784 <br />