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<br />2992, 2993, 1994 AHR Review <br />Bear Coal Company <br />April 19, 1995 <br />Page 4 <br />Report Content Requirements <br />There are a number of items which are required by stipulations 6 <br />and 32 to be included in the AHR. Based on those requirements BCC <br />should provide the following information, which is missing in the <br />1993 AHR: <br />1. An assessment of hydrologic impacts of mining during the year. <br />Specifically, why did the quality in the alluvial wells <br />improve for the 1993 sample? <br />2. An assessment of projected hydrologic impacts of mining during <br />the next year. <br />3. The amount of water imported to the mine. BCC has a water <br />right to withdraw 7 acre-feet of water from the North Fork of <br />the Gunnison River. <br />Based on the same requirements BCC should also provide the <br />following information, which is missing in the 1994 AHR: <br />1. An assessment of hydrologic impacts of mining during the year. <br />Specifically, why does there continue to be no flow in the <br />lower french drain and why is there no flow at spring CR-12? <br />A limited assessment was provided for ground water but no <br />assessment was provided for surface water. <br />2. An assessment of projected hydrologic impacts of mining during <br />the next year. <br />3. The amount of water imported to the mine. BCC has a water <br />right to withdraw 7 acre-feet of water from the North Fork of <br />the Gunnison River. <br />General Recommendations and Questions <br />1. BCC should update the map that is provided with the 1993 AHR <br />to show all monitoring locations. The french drains and the <br />outfall of the sediment pond are not shown on this map. In <br />addition, the 1994 AHR requires monitoring of three springs <br />which should also be referenced on the map. A map was not <br />provided with the 1994 AHR. The updated map should be <br />provided to the Division to include in the 1994 AHR. <br />2. The Probable Hydrologic Consequences (PHC) predicts that BCC <br />may degrade and/or deplete the water quality and quantity in <br />the North Fork. How can this determination be made if BCC <br />does not monitor the North Fork? BCC should propose an <br />