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<br /> <br /> their source in the F-Coal seam. Four springs, G-6, G- <br />' 12, G-13 and G-15 were identified as being located <br /> within 100 feet above the F-Seam and three springs, G- <br /> 1 <br />d <br />b <br />i <br />hi <br />100 <br /> ng wit <br />20, G-3 <br />and WCC-23 were identifie <br />e <br />n <br />as <br />' feet below the F-Seam (Response to MLRD Stipulation No. <br /> 4. Submitted November 24, 1981). Flow measurements on <br />' all but WCC-23 date back to 1975. A plot of these <br /> flows is contained in Figure II.2-1. Considerable <br /> ith <br />i <br />i <br />t <br />l <br />l <br /> ong w <br />on from year to year <br />so apparen <br />a <br />variat <br />s a <br />' the seasonal pattern. A comparision of operational <br /> monitored data with premining data reveals no trend. <br />' Flow monitoring will be continued in order to assess <br /> trends over time. A visual comparison of the flows in <br />' F <br />1 <br />l <br />b <br /> etween <br />igure II.2- <br />reveals a lack of corre <br />ation <br />' flows among the springs. <br />' 2.3 Assessment of Surface Water and AVF's <br />' Efforts were made to characterize baseline river water <br />quality to evaluate potential changes in surface water <br />' quality due to mining activities at the Mt. Gunnison <br />No. 1 Mine. Continuous monitoring of stream flows and <br />periodic monitoring of spring discharge rates is per- <br />' formed to provide the long term data base from which <br />possible impacts of mining can be assessed. <br /> <br />-21- <br />