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MINE ENGINEERING <br />MINE RECLAMATION <br />March 23, 2012 <br />J. E. STOVER & ASSOCIATES, INC. <br />2352 NORTH 7th STREET, UNIT B <br />GRAND JUNCTION, COLORADO 81501 <br />PHONE: (970) 245 -4101, FAX 242 -7908 <br />Janet Binns <br />Division of Reclamation, Mining and Safety <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: New Elk Mine Permit C- 1981 -012 <br />Minor Revision No. 111 <br />Drainage Updates <br />Dear Ms. Binns: <br />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />RECEIVED <br />MAR 2 6 ?01? <br />Division of n� c�amation, <br />Mining and Safety <br />On behalf of New Elk Coal Company, (NECC) enclosed is an application for a minor revision to <br />update some drainage features at the New Elk Mine. NECC plans to revise the upland diversion <br />ditches around the potable water tank and install a 10" flow meter in the Pond 1 primary <br />spillway. <br />Installation of the potable water tank interfered with ditch D18. About 575 feet of D18 east of <br />the potable water tank is no longer functional. To minimize the drainage area flowing to Pond 7, <br />D26 will be extended about 425 feet to the west to intercept most of the drainage that was <br />flowing to D18 as shown on Map 13. The 575 feet of D18 east of the potable water tank will be <br />reclaimed. Exhibit 19(20) demonstrates that these drainage modifications are not significant and <br />ditch designs do not have to be revised. <br />Considering that the disturbance associated with constructing 425 feet of D26 is less than 0.1 <br />acres, a reclamation estimate is not provided. <br />The primary spillway for Pond 1 is a 24 inch diameter corrugated metal pile. The Division of <br />Water Resources has asked NECC to install a 10" diameter flow meter in the primary spillway. <br />A discussion of the flow meter was added to revised page 2.05 -19. <br />Please call with any questions. <br />Sincerely, <br />J. E. Stover, P.E. <br />Consulting Engineer <br />