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;= ,. <br />~ STAT~OF CC III ~~~~~~~~~~~~~ ~Ij <br />MINED LAND RECLAMATION DIVISION <br />Department of Natural Resources <br />13t3 Sherman St.. Room 215 <br />Denver. CO 80203 <br />303 8663567 <br />FA x. 303 8328106 <br />pF COQ <br />,~~._• q <br />NTH <br />`~$ <br />• .,~,y~ <br />re'16 <br />Ray Ramer, <br />Governor <br />Frer! R. Banta. <br />October 29, 1991 oivleiaa Grteatar <br />Mr. Karl C. Koehler <br />Cyprus Orchard Valley Mine <br />P.O. Box 1299 <br />Paonia, Colorado 81428 <br />RE: 1990 Annual Hydrology Report and 1990 Mine Inflow Report, <br />File No. C-81-038 <br />Dear Mr. Koehler: <br />The Division has completed review of the above-mentioned reports for the 1990 <br />monitoring period. Please respond, as appropriate, at your earliest <br />convenience. <br />1990 MINE INFLOW REPORT <br />All requirements were met. <br />1990 ANNUAL HYDROLOGY REPORT <br />Monitoring Freguenc <br />Please provide explanations or comments to each of the following <br />questions or statements. <br />1. There were no July, 1990 visits to the following monitoring <br />stations: <br />Pond 82, spring and pond 6-6, spring 1-3, 7-9 and 8-5; SW-8, <br />SW-4. <br />2. There were no June, 1990 or July, 1990 visits to the following <br />sites: <br />Pond 84, East Roatcap Creek. <br />3. There was no June, 1990 visit to pond 13-4. <br />4. There were no visits to site UERC in May, July, August and <br />September of 1990. Also there are no flow measurements. <br />5. There were no visits to site LERC in July, August and September of <br />1990. Again, there are no notations indicating status of flow. <br />6. At site SW-9 the October 1989 and April-June, 1990 data are <br />missing. Also, only one full suite analysis was done. <br />