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III IIIIIIIII IIII III • <br /> 999 <br /> HART ENVIRONMENTAL <br /> A Member of the Aggiegafe Environmental Resource Group. LLC.n Michael J. Harf s Associates <br /> April 7, 1999 <br /> EC E_IVE0 <br /> Mr. Allen C. Sorenson <br /> Geological Engineer APR 0 8 1999 <br /> Division of Minerals and Geology <br /> Department of Natural ResourcesPivision of Minerals&Geology <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Dear Mr. Sorenson: <br /> In response to your Inspection Report, dated February 24, 1999, and request for a <br /> piping analysis of seepage below the Deepe Farm Pit levee, Western Mobile/Lafarge asked <br /> CTL/Thompson, Inc. to look into the matter and prepare an appropriate report. <br /> Enclosed with this letter, please find a copy of the piping analysis you requested. <br /> After you have reviewed CTL/Thompson's analysis, please let me know if you have any <br /> questions about it or if you would like to meet with Frank Holiday to discuss his piping <br /> analysis and conclusions. Also, if Frank's analysis is acceptable to you, I would greatly <br /> appreciate it if you would acknowledge that fact to me in writing,just to make sure that <br /> the record on this matter is as clear as possible. <br /> Sincerely, <br /> Michael J. (Mike) Hart <br /> cc: Dallas Glasser <br /> John Hickman <br /> Jeffrey Lipton <br /> Ed McDowell <br /> Jeffrey Schwarz <br /> ]];5 Alradou,Avm,e <br /> P O.Box i 303 <br /> Boulder,CO 80306 <br /> PhIFax 303.414.6602 <br /> Wetlands Bankma <br /> Emirmunnual M,mngemna <br /> Lind Use Plavrm,g <br /> Rerlamai mi Drsign <br /> Prnnittmg&Zoning <br />