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~ iii iiiiiiiiiiiii iii , <br />STATE OF COLORADO <br />Roy Romer, Governor <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />FRED R. BANTA, Director <br />DATE: February 17, 1989 <br />To: Steven G. Renner <br />FROM: Camille M. Farrell <br />RE: Battle Mountain Resources' "San Luis Project", File Number M-88-112, <br />Costilla County; Review of and response to Stephen Robertson Kirsten <br />(U S) Inc.'s response to the Divisions January 13, 1989 Adequacy Review <br />ADMINISTRATIVE SECTION <br />3. Figures C-12, "Heap Leach Pad Typical Details" and C-11, "Heap Leach Pad <br />Sections", directs the viewer to Figure C-10, "Heap Leach Pad Plan", to locate <br />the facilities to which the Details and Sections, respectively, refer. <br />5. Figure C-12, Detail 4 has been revised to read "Typical LeaK Detection <br />Sump & Riser Pipe for Solution Ponds and Heap Pad", for further clarification. <br />7. As Tailing Facility ditch design and locations were not presented in <br />Section D.9.1, Diversions, an insertion of narrative into D.9.1 directs the <br />reader to Figures C-13, Surface Drainage and Runoff Control, for location of <br />the diversion structures, and Figure D.9-1, Typical Drainage Detai'1s, <br />providing details of the "Type 3 Ditch", as specified for the tai ling drainage <br />and runoff control in Figure C-13. Additionally, Table D.9-1 has been amended <br />to direct the reader to Figure D.9-1 to review the details for the Tailing <br />Facilities Runoff Interceptor Type 3 ditch. <br />Please Note: Figure C-13 as been corrected to direct the viewer tn: <br />Figure D.9-1 to review TYPe 3 and 4 Ditch designs; <br />Figure C-10 to review the Heap Leach Facilities Plan <br />(rather than Figure C-8); <br />Figure C-11 to review Type 1 and 2 Interceptor Ditch <br />Designs (rather than Figure C-9). <br />215 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 <br />