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STATE OF COLORADO <br />DIYISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman 5[., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 86(.3567 <br />FAX: (303) 8324106 <br />November 9, 2005 <br />Ron Thompson <br />Peak Project Management <br />34115 County Road 20.8 <br />Trinidad CO 81082 <br />RE: Minor Revision No. 11 <br />Lorencito Canyon Mine, #C-96-084 <br />Mr, Thompson: <br />COLORADO <br />DIVISION OF <br />MIN &RALS <br />GEOLOGY <br />EEC LAN ATION•NI NING <br />EAFETY•ECIENCE <br />sin ovens <br />Governor <br />Russell George <br />Executive Oirectar <br />Ronaid w. canany <br />Division DireLTOr <br />Natural Resource Trustee <br />The Division of Minerals and Geology (Division) has completed review of the new as-built <br />certifications for the Lorencito Canyon Mine. We note the following discrepancies; <br />Pond 10a <br />• Horizontal scale should read 1"=30' <br />• No embankment slope stated <br />Pond 9a <br />• Horizontal scale not right, not 1"=100'...not 1"=50 feet either. More like 1"=60 feet <br />• Vertical Scale not 1 "=10 feet Vert scale is 1 "=5 feet <br />Pond 9 <br />• Pond is not "Loadout pond 009" <br />• Vertical scale is not 1"=10 feet <br />• Sediment storage is not shown or stated <br />• Horizontal scale is not 1"=100 feet, it is 1"=60 feet <br />Pond 7a <br />• Top of pipe is labeled as 6913 feet but shown on drawing at 6914 feet <br />• No sediment storage shown <br />• No contours labeled <br />Please review and correct as necessary. If you have questions, please call me. <br />Sin y, <br />K or m ~ <br />Environmental Protection Specialist II <br />Office of Office of Colorado <br />Mined land Reclamation Active and Inactive Mines Geological Survey <br />