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West Elk Mine 2007 Annual Hydrology Report 9 <br />• 3.1 Surface Water Monitoring <br />The West Elk Mine is drained to the north by the North Fork of the Gunnison River, to the south by <br />Minnesota Creek, to the west by Gribble Gulch, and to the east by Deep Creek. The surface water <br />monitoring program for the Project includes 23 stream stations, comprised of 10 sites with <br />continuous recording devices and 13 sites with instantaneous flow measuring devices. <br />The monitoring sites are divided into three general hydrologic areas for discussion purposes: <br />• Stations in the Upper North Fork Drainage Basin. <br />• Stations in the Lower North Fork Drainage Basin. <br />• Stations in the Minnesota Creek Drainage Basin. <br />The locations of the monitoring stations are shown on Map 2. The following discussion of the <br />surface water stations on the major drainages and the tributaries to these drainages is presented <br />from upstream to downstream areas with regard to the Project. A summary of the surface water <br />monitoring program is presented in Table 3 and a discussion of WY 2007 hydrologic impacts is <br />presented in Section 5.1 of this report. <br />• <br />• <br />June 2008 HydroGeo, Inc.