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•- <br />C crpRUs <br />'•~ Yampavauey <br />~~~ I~~II~!I~II~~~~~ <br />Cyprus Yampa Valley Coal Corporation <br />29587 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />303-879-3800 <br />January 18, 1994 <br />Kent Gorham <br />Environmental Protection <br />Division of Minerals and <br />1313 Sherman Street, Room <br />Denver, CO 80203 <br />Dear Mr. Gorham; <br />Specialist <br />Geology <br />215 <br />RECF1VEp <br />JAN 21 ]994 <br />CIl7aOn C1 P; I:fk~~2i~ a (~b~h.;,: <br />Enclosed, please find materials which should complete the <br />information packet previously submitted with the initial responses <br />to the referenced AHR review. These items address points noted in <br />your letter dated 10 December, and hopefully will serve to complete <br />/ clarify those items. Each Division concern is re-stated, and is <br />followed immediately by TCC's response. <br />DMG Concern <br />1. Site 1003 elevation is still incorrect on either the data sheet <br />or the station/elevation table at the beginning of the data <br />section. Please correct as necessary. <br />TCC Response <br />Upon review, it would appear that the elevation values for both of <br />the referenced pages are the same, and are in fact correct. <br />However, further review revealed that the update of Table 1 did not <br />include the correction of the 1003 elevation value. A copy of the <br />pertinent Table 1 revised page is enclosed. <br />DMG Concern <br />2. Site 8 depth and flow readings reveal the following: <br />-1.62 depth 6.7 cfs <br />-1.02 depth 0.6 cfs <br />-3.75 depth 0.6 cfs <br />Different depths are shown as being converted to the same <br />discharge. Please correct this information and Table 30. <br />