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C <br />The Pittsburg & Midway Coal Mining Co. ~~~, ~ ~ ~RC ~ <br />!, Cnevron Coropam, <br />6x00 Somn Fiddler's Green Circle, EngiewooC, CO aG'' 11 . Pnone i,iC: C3i, ~oOC ~~dv n 1989 <br />MRJED ~hU <br />f;c~;,MA?rOr! J!~t~;6N <br />1\ovember 1, 1989 <br />Edna Aline -Permit C-80-001 <br />AToffat Aline Plan Revision <br />D4r. Jeff Clapton _ _ _ - <br />Colorado Mined Land Division _. - - <br />215 Cen[ennial Building - - <br />1313 Sherman Street <br />Denver, Colorado 80203-2273 <br />Dear Mr. Clapton: <br />Enclosed, please find three (3) copies of the above referenced revision containing two (2)volumes <br />each. Two (2) of the revision sets contain exhibiu certified by a registered professional engineer. <br />The purpose of this revision to modi6y the direction of mining proposed in the Moffat Area. The <br />directional change consists of mining the reserve perpendicular [o the dip of the coal reserve <br />causing the direction of mining to progress from the southern end of the mining area to ine <br />northern end. <br />The revision has been formatted to enable the direct inserdon/substitution of the enclosed <br />information directly into the permit document. Through the incorporation of the revised material <br />several exhibits and appendicies previously presented in the permit document aze no longer <br />necessary. The following is an outline describing the sections of the permit which are being <br />revised and the additions, substitutions or deletions necessary to complete the updated permit <br />document. <br />Section 1.0 Subsritue revised pages 1.0-1 and 1.0-9 for original pages 1.0-1 and <br /> 1.0-4; add revised Exhibit 1.0-1 (sheet 1 of 2j; delete original <br /> Exhibit 1.0-1 (Edna Mine Permit Area, map scale 1"= 2000") <br />Section 3.1 Substitute revised pages 3.1-3 and 3.1-4 for original paces 3.1-3 <br /> and 3.1-4; substitute revised Exhibit 3.1-3 (sheet 1 of 2j for original <br /> Exhibit 3.1-3, (sheet I of 2) <br />Section 3.2 Substtute revised Exhibi[ 3.2-1(sheet 1 of 2) for original Exhibit <br /> 3.2-1, (sheet 1 of 2) <br />Section 3.3 Substitute revised pages 3.3-1 through 3.3-4 for original pages 3.3- <br /> 1 through 3.3-4 ; substitute revised Exhibits 3.3-3, 3.3-4 and 3.3-5 <br /> (sheet 1 of 2) for original Exhibits 3.3-3, 3.3-4 and 3.3-5 (sheet 1 <br /> of 2) <br />Section 3.4 Substitute revised pages 3.4-1 through 3.4-3 for original panes 3.4- <br /> 1 through 3.4-3; add Appendix 3.4-A; substitute revised Exhibits <br /> 3.4-] (sheet 1 of 2), 3.4-2 (sheet lof 2) and 3.4-3 for original <br /> Exhibits 3.4-1 (sheet I of 2), 3.4-2 (sheet lof 2) and 3.4-3; delete <br /> Exhibit 3.4-4 <br />