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The Pittsburg & Midway Coal Mining Co. <br />P~1,1 AChevronCompany <br />6400 South Fddler's Green Circle, Englewood, CO 80111-4991 <br />Mafl Adtlieu: P.0. Boy 6SI8.Englewood. CO 80155b518 ~ FAX I3031936d204 ~ Phme (303193436W <br />September 19, 2000 <br />'' ' ' ' '' Permit C-80-001 <br />P 97 5 641 110 Technical Revision 39 <br />~i ~•~ <br />Mr. Lawrence Kline <br />Office Of Surface Mining Reclamation & Enforcement <br />1999 Broadway, Suite 3320 <br />Denver, CO 80202 <br />Dear Mr. Kline <br />Enclosed is one (1) copy of the above referenced Technical Revision. The revision addresses <br />outstanding issues contained in the Colorado Division of Minerals and Geology's 1999 Midterm <br />Review letter dated, January 5, 2000, and information requested resulting from the Division's <br />review of the 1999 Annual Hydrology Report. The revision also provides incidental information <br />including water court rulings for the West Ridge and Center Ridge ponds and interim vegetation <br />monitoring data collected during 1999. <br />Included in this submittal package are the following items: <br />1. Revised Table 2.5-7 (pages 2.5-22 and 2.5-22a); <br />2. Supplemental information to be added to Appendix 4.4-2; <br />3. Supplemental information to be added to Appendix 4.6-N; <br />4. Supplemental information to be added to Appendix 4.6-0; <br />~. Supplemental information to be added to Appendix 4.6-R, and; <br />6. Revised Exhibit 4.6-26. <br />Should you or your staff have any comments or concerns regarding this submittal, please contact <br />me at your convenience. <br />Sincerely, <br />~~~~ <br />Brian D. Gontarek <br />Sr. Environmental Engineer <br />Enclosure <br />cc: CDMG <br />Edna aline <br />