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�Q_� <br />19 <br />September 10, 2013 <br />NEW ELK COAL <br />Leigh Simmons <br />Division of Reclamation, Mining and Safety <br />Centennial Building Room 215 <br />1313 Sherman Street <br />Denver, CO 80203 <br />Re: Lorencito Canyon Mine <br />Permit No. C- 1996 -084 <br />Permit Renewal <br />Dear Mr. Simmons, <br />RECEIVED <br />SEP 13 2013 <br />DIVISION OF RECLAMAnOM <br />MINING AND SAFETY <br />As requested, Map 2.05.3 -7 Culverts and Ditches has been revised to show <br />all the XTO maintained culverts within the permit disturbance area. <br />The table listing culvert sizing has been corrected for culvert C -13 to now <br />correctly list the Maximum Drainage Basin as 70.1 acres. Table 2.05.3 -1A <br />does not list a 10" culvert. An extrapolated Maximum Drainage Basin Area <br />value was calculated based on the ratio of the cross - sectional area of 8" to <br />18" culverts that are as listed in table 2.05.3 -1A of the permit text. <br />122250 Hwy 12 PHONE (303) 300 -8709 <br />Weston, CO 81091 FAX ((719) 858 -0044 <br />E -MAIL ronthompson @newelkcoal.com <br />