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J. E. STOVER & ASSOCIATES, INC. <br />2352 NORTH 71" STREET, UNIT B <br />GRAND JUNCTION, COLORADO 81501 <br />PHONE: (970) 245-4101, FAX: (970) 242-7908 <br />MINE ENGINEERING CIVIL ENGINEERING <br />MINE RECLAMATION CONST. MANAGEMENT <br />July 12, 2017 <br />Clayton Wein <br />Division of Reclamation, Mining & Safety RECEIVED <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 JUL 19 2091 <br />Re: Bowie Resources, LLC, Bowie No. 2 Mine Division of Reclamation, <br />Technical Revision 113, Adequacy response #1 Mining & Safety <br />Revise hydrology of two ditches on top of gob pile #4 <br />Dear Mr. Wein: <br />DRMS' letter dated July 11, 2017 transmitted its adequacy review for the referenced technical <br />revision. On behalf of Bowie Resources, LLC, following are its responses to the DRMS' <br />comments and concerns. <br />1. Volume IX, text page 11 has been updated to reflect the correct drainage basin acreage. <br />2. Map 22-D has been revised to correct the ditch sizing for ditch D -D4. <br />3. Figure 2 has been updated to show new Ditch F-20. <br />4. Figure 3 has been updated with revised spillway design depths. <br />Please feel free to contact me with questions. <br />Sincerely, <br />Tamme Bishop, P.E. <br />Project Engineer <br />Enclosures <br />