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J. E. STOVER 8L ASSOCIATES, INC. P.O. BOX 60340 GRAND JUNCTION, COLORADO 81506 PHONE: (9T0) 245-4101, PAX 242-7908 MINE ENGINEERING MINE RECLAMATION March 8, 2007 ~~Go ~GP V CML ENGINEERING CON57. MANAGEMENT J. J. Dudash Division of Reclamation, Mining and Safety 1313 Sherman St., Room 215 Denver, CO 80203 Re: Bowie Resources, LLC, Bowie No. 2 Mine Application for a Technical Revision Ventilation Shaft Construction Permit C-1996-083 Dear Mr. Dudash: RECEIVED MAR ~ 'L 2001 pivis„:,~ of Reclamation. rylu~u~y and Safety On behalf of Bowie Resources, LLC, (BRL) enclosed is an application for a technical revision to provide for the construction of a ventilation shaft immediately west of Hubbard Creek Road. The proposed construction site is approximately three tenths of a mile north of the USDA-FS boundary. Project Narrative The shaft is to be lined with concrete and have a finished diameter of 18 feet. A ventilation fan is not required for the shaft since pressure from the mine ventilation system will force air out the shaft. It is likely the shaft will be equipped with an escape hoist. If an escape hoist is installed, there will be a need for a standby generator to power the hoist. BRL will need frequent access to the site to test the standby generator and escape hoist. BRL intends to grout the perimeter of the shaft to minimize water infiltration. Grouting will be extensive in the collar area and may be reduced when the shaft excavation encounters solid rock. The shaft will be excavated by conventional methods, drill shoot muck, for its entire depth of approximately 600 feet. The material removed from the shaft is considered underground development waste and will therefore be hauled to one of BRL's approved gob disposal areas. Refer to Map 39 for a plan view of the construction site. On the northern end of the construction site, the office trailers, safety trailer and dry trailer are within 100 feet of Hubbard Creek. Along the central portion of the construction site, the run-off containment berm is within 100 feet of Hubbard Creek but the hoist and head frame foot print is not. The sediment pond located on the southern portion of the construction site is further than 100 feet from Hubbard Creek. The creek is over 30 feet in elevation below the proposed construction site so there is no riparian vegetation in the area of the proposed disturbance. Consequently, none of the surtace disturbance for the construction site will be in flood plains or wetlands. There are no municipal watersheds in the vicinity of the construction site.