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~~ bl I Skyline Road - Laramie,WY 820]0 - (30]) ]42-0031 <br />~wWCENGINEERING FAX (307)721-2913 - E-mail: infolar@wwcengineering.com <br />November 14, 2005 <br />Mr. Byron G. walker ~iECEIVED <br />Colorado Division of Minerals and Geology <br />Department of Natural Resources NOV 16 2005 <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 Division of Minerals and Geology <br />Re: 2004 Annual Hydrology Monitoring Report -Adequacy, Response <br />Dear Mr. Walker <br />The Pittsburg & Midway Coal Mining Co. (P&M) is in receipt of a letter from the <br />Colorado Division of Minerals and Geology (CDMG), dated July 11, 2005. This letter indicated <br />that the CDMG had performed a review on the Annual Hydrology Monitoring Report, Edna <br />Mine, CDMG Permit No. C-001-80 dated February 2005. In the July 11, 2005 letter, CDMG <br />requested response to 10 adequacy items. This letter constitutes the response to the <br />aforementioned adequacy items. <br />Item 1. <br />Please include the irrigation ditch flow observations in the report [Permit Application <br />Package (PAP) page 4.6-139, line 18J. <br />A revision to the 2004 Annual Hydrology Monitoring Report is submitted detailing <br />irrigation ditch flow observations. <br />Item 2. <br />The annual hydrologic report (AHR) is to be submitted by February 20. It (2004 Annual <br />Hydrology Monitoring Report) was received at the Division of Minerals and Geology on <br />February 25, 2005 (PAP page 4.6-139, line 21). <br />Future Annual Hydrology Monitoring Reports will be submitted by February 20`h of the <br />corresponding year. <br />Item 3. <br />Please include monitoring results of channel cross-section for TRa and TRb in the report <br />(PAP page 4.6-140, line 22). <br />A drawing has been produced detailing channel cross-sections for TR-a and TR-b. These <br />cross-sections verify streambed stability. A revision to the 2004 Annual Hydrology Monitoring <br />Report is submitted with this figure inserted. <br />K \P&M Coel\EMaMmc\1999-144E\RCpons\Annuvl HydroloyY ReportWdequacy Respouse\091405AdcquacyRCSponsc.doc <br />