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West Elk Coal Company, Inc. ' ` <br />Post Office Box 591 <br />Somerset, Colorado 81434 " <br />Telephone 303 929 5015 <br />• <br />August 12, 1986 <br />Mr. Tom Schreiner <br />Reclamation Specialist <br />Colorado Mined land Reclamation Division <br />1313 Sherman Street <br />Denver, CO 80203 <br />Re: Technical Revision, Sediment Pond MB-5 <br />Mt. Gtulnison No. 1 Mine, CDff.Im Permit No. C-007-80 <br />Adequacy Review Responses <br />Dear Tom: <br />The following information is being sutznitted by West Elk Coal <br />Company in response to the Divisions adequacy review .letter of <br />June 18, 1986. The public notice has been published in the <br />North Fork Times on July 10, 1986. Proof of publication is <br />being forwazded to the Division under separate Dover. Since <br />the revision was classified by the Division to be a technical <br />revision, please change its location of insertion in the M & R <br />• Plan from Volume 8 to Vo11m1e 10. The technical revision will <br />be labelled Appendix B-12. The following response ntmtbers <br />correspond to the ntmtbers of the questions in the Divisions <br />letter: <br />Item 1: The cross-sections A-A' and B-B' Shown on attachment G <br />do not pass through the emergency spillway, hocever, <br />the spillway invert elevation is shown ~ both cross- <br />sections for easy reference. Design data and <br />specifications, including slope and width, for the <br />emergency spillway can be found in Volume 9, Appendix <br />B-6, Page 5 of the Mt. Gunnison No. 1 Mine, Mining and <br />Reclamation Plan. The revised attachment G - Pond <br />sections submitted May 30, 1986 to the Division had <br />been subtitled "Sediment Pond MB-5 Bear No. 1 Fbrtal <br />Area". <br />Item 2: This information was previously submitted to and <br />approved by the Division when the Bear No. 1 Portal <br />Area Sediment Pond (WECC No. MB-5) was originally <br />constructed. This information can be found in Volume <br />9, Appendix B-6, Mt. Gunnison No. 1 Mine, Mining & <br />Reclamation Plan. <br /> <br />4rlCO-620a <br />