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III IIIIIIIIIIIIIIII <br />Cyprus Yampa Valley Coal Corporetion <br />An Alfiliafe o! Gypus Minerals Company <br />October 26, 1988 <br />David Berry <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Dear Mr. Berry: <br />29587 Routt County Roatl •27 <br />Oak Creek, CO 80167 <br />Pftone (30318793800 <br />,~,, •- ~: -• ~ ~ ~ j <br />f ~:_ <br />L r~~.T ~ r 1923 <br />~..;•, _. <br />Re: Annual Hydrologic Report (Water Year 1986-1987) Mine No. 3 - <br />C-84-062 <br />Dear Mr. Berry: <br />Below, please find CYCC's responses to the various concerns raised by <br />the Division during review of the AHR. The concern and response format <br />follow that present in the Division's letter. <br />Sampling Frequency <br />As stated above, some of the required monitoring was not completed during <br />the 1986-1987 water year. The problems are detailed below, and they are <br />organized in the following categories: bedrock wells; spoil wells; alluvial <br />wells; and surface water sites. Please review this section carefully and <br />provide a detailed explanation regarding the apparent monitoring omissions. <br />Please understand that enforcement action may be required if the missed <br />sampling and analyses cannot be adequately justified. <br />MLRD CONCERN: <br />Bedrock Wells <br />Wells 008-77-58 and 008-79-6 - <br />As discussed in the CYCC cover letter dated January 28, 1988, the May <br />1987 full suite water quality samples were not collected from these <br />wells. We can accept the December 1987 water quality samples as <br />replacements for the missed 1987 samples. Please verify that two <br />additional bedrock well samples will be obtained during the current <br />water year. <br />Carbonate was not analyzed for the October 1986 samples. <br />c~RUs <br />