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<br />~~I II~II~II~II~~ II~ <br />C~~us <br />'r'? Orchard Valley <br />Cyprus Orchard Valley Mine <br />P.O. Box 1299 <br />Paonia, CO 81428 <br />Phone: 303-527-4135 <br />Fax: 303527-2234 <br />March 31, 1992 <br />Mr. Kent A. Gorham <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman <br />Denver, Colorado 80203 <br />~r ~E~ <br />IpR ~~~. <br />9A,,,,Min~,a B 1991 <br />~,,~~~h~^na <br />RE: PEIaQT PU. C-81-038; RESPONSE 410 CMLRD 1990 ANNUAL HYDROLOGY REPDR4' <br />REVIEW OONR~T15 <br />Dear Mr. Gortlam: <br />4he following information is submitted in response to your conmlents rega*~iTm <br />the 1990 Annual Hydrology Report as detailed in your oolmminication of October <br />29, 1991. 4he responses correspond to the numbered tents in your letter. <br />Monitoring Frequency <br />1. No specific explanation can be offered regarding the noted omissions due <br />to changes in personnel. the individual responsible for the hydrology <br />monitoring during 1990 is no longer employed by Cyprus OrGiard Valley <br />Coal Corporation (NVOC). Field documentation was double checked to <br />ensure that available data had not been omitted from the 1990 AHR <br />docimlent. No information was disarver>?d. <br />2. See response No. 1 for Fond 84. Data for station SW06, Fast Roatcap <br />Creels, was collected for both June and July of 1990 but not included in <br />the AHR document. 4he omitted data will be incorporated into the <br />database aryl a new data summary will be generated and forwarded to ChIIRD <br />for incorporation/replacement in the 1990 AHR, Volume 2. <br />3. Data for pond 13-4, was collected in June of 1990 but not included in <br />the AHR doclnnerlt. 'Ihe omitted data will be incorporated into the <br />database and a new data summary will be generated and forwarded to Q4IRD <br />for incorporation replacement in the 1990 AHR, Volume 2. <br />4. UERC data was wllected in May, July, August, and September of 1990 but <br />not included in the AHR docwnent. 'Ihe omitted data will be incorporated <br />into the database and a new data surmnary will be generated and forwarded <br />to CMIRD for incorporation replacement in the 1990 AHR, Volume 2. 'This <br />data was included with CMLFtD rartarly reports and can be found in the <br />fourth quarter, 1990, submittal. <br />5. LERC data was collected in July, August, arld September of 1990 but not <br />