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2.04.7 Hydrology Description <br />(USFWS 2/93). The Applicant will implement the conservation measures <br />that the USFWS believe are necessary to offset this impact. Please see <br />discussion in 2.04-11 that addresses USFWS conservation measures. <br />Wildlife use of water in the permit and adjacent area is for subsistence. <br />Wildlife use the perennial streams and ponds. No impact is projected for <br />the streams and ponds. <br />In the event that contamination, diminution, or interruption in the <br />underground or surface water supplies result from coal mining operations, <br />the following protective measures would be followed. <br />1) Adequate protection of water rights will be monitored. The Applicant <br />has designed and implemented a complete hydrologic monitoring <br />program. <br />2) Adequate protection of water rights is ensured by regular monitoring <br />and quick repair of subsidence induced problems. <br />Possible alternative sources of water will be utilized, if required. The <br />Applicant has a 3.0 cfs absolute water right for industrial and domestic <br />uses on Mack Wash near the town of Mack. The Applicant could haul <br />water from Mack Wash to the mine site. The water quality in Mack Wash <br />will be similar to the poor quality of water in East Salt Creek. <br />MINE WATER INFLOW <br />Mine water inflows to the McClane Canyon Mine have been in the 10 to 15 <br />gpm range over the last few years and all of the water has been <br />consumed for dust suppression since the second quarter 2008. The <br />average flow into the mine over the last 10 years is 14.4 gpm with a peak <br />flow rate of 31.4 gpm during 2005. The future mine plan is to the south <br />where the coal seam will be dry. The mine inflow is not expected to <br />PR -02 2.04-29 03/13 <br />