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~,, <br />~:. <br />~flalsh <br />.~ <br />,.. <br />~~ . <br />Environmental Scientists and Engineers, LLC <br />May 4, 2006 <br />Mr. James R. Stazk <br />Division of Minerals and Geology F _ ~ / <br />1313 Sherman Street, Room 215 iZ,~~L: ' V E® <br />Denver CO 80203 <br />+~AY o a zoos <br />Subject: Mountaintop Removal <br />South Taylor Pit , , ,,,-~ ~ ~ eeoiogr <br />Walsh Project No. 6025-010 <br />Dear Mr. Stark: <br />On behalf of Colowyo Coal Company, Walsh Environmental Scientists & Engineers, LLC (Walsh) is <br />requesting a determination from the Colorado Division of Minerals and Geology (CDMG). Colowyo <br />intends to mine several coal seams including the X and A seams from the proposed South Taylor pit. <br />These two coal seams run through the upper fraction of an unnamed mountain dividing the Taylor <br />Creek, Wilson Creek, and Good Spring Creek drainages. The entirety of the X and A seams will be <br />removed from the top of the anticline within the mountain except for the portion of the A seam that <br />extends beneath the Section 16 pit and adjacent area. Removal of the X and A seams appears to meet <br />the definition of mountaintop removal stated in sections 2.06.3 and 4.26 of the CDMG coal mining <br />regulations (2 CCR 407-2). <br />Colowyo proposes to treat the South Taylor pit as "Mountaintop Removal" for the purposes of post- <br />mining topography. Post-mining topography will result in a grade that is at or above the elevation of <br />the base of the A Seam and is at a slope of ]v:5h or less; where remaining slopes to the edge of mining <br />impact are at a slope of lv:2h or less; and wherein the drainages will maintain a water balance in the <br />watersheds. All other requirements of the regulations will be met. <br />Walsh requests that the CDMG provide a determination if they concur with the application of <br />"mountaintop" removal for the South Taylor pit as soon as practical. A figure showing the proposed <br />pit, steep slopes, and X and A seams is included. Please contact me at (970) 241-4636 if you have any <br />questions. <br />Si -rely, ~ ~EpFPROrE <br />/ ~, ~ r „` <br />~~~~•••~GATE Ni <br />Edward M. Balt er, PG 8861 ~~`~Q 8861 <br />District Manager ~~ Af1;G <br />Enclosure: Figure `'7`~ry~M. <br />Copy to: Tay Tonozzi, Colowyo <br />Western Slope Division: <br />535 Grand Avenue . Gmnd Junction, Colorado 81501-2790 . Phone (970) 241-4636 . FAX (970) 241-4312 . walahenv.com <br />Corporate Office: <br />4888 Peazl East Circle, Suite 108 . Boulder, Colorado 80301-2475 . Phone (303) 443-3282 . FAX (303) 443-0367 <br />