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Drafr West Elk Mine 2005 Annual Hydrology Report <br />3.1.2 Lower North Fork Drainage Basin Surface Water <br />• Stations <br />3.1.2.1 North Fork Lower <br />10 <br />The North Fork Lower station monitors the North Fork down-gradient of the mine facilities area <br />and mine dischazge points (Map 2). <br />3.1.2.2 Lower Gribble Gulch <br />Gribble Gulch is an ephemeral stream that flows only in response to storm events and spring <br />runoff. This stream drainage drains the western mine panel area. The Lower Gribble Gulch station <br />is located west of the mine and was established to monitor the effects of mining in the west and <br />northwest mine panel azea. <br />3.1.3 Minnesota Creek Drainage Basin Surface Water Monitoring Stations <br />3.1.3.1 Lick Creek Flume <br />Lick Creek is an ephemeral stream that is tributary to upper Minnesota Creek and flows only in <br />response to storm events and spring runoff. Lick Creek drains the southem part of the un-mined <br />South of the Divide (SOD) coal lease area (Map 2). This monitoring station was established in <br />• 1977 when MCC was planning to develop this tract. The site was also established as part of the <br />Minnesota Creek Water Augmentation Plan (WWE, 1986). <br />3.1.3.2 South Prong Creek <br />South Prong Creek is an intermittent stream that is tributary to upper Minnesota Creek. South <br />Prong Creek drains the southernmost part of the un-mined South of the Divide (SOD) coal lease <br />area (Map 2). This monitoring station was monitored during the rising limb and peak flow periods <br />in 2005, and additional monitoring is not planned until mining progresses into the southern portions <br />of the SOD area. <br />3.1.3.3 Drv Fork <br />Dry Fork is an intermittent stream that is tributary to middle Minnesota Creek. The Dry Fork <br />drainage drains the northern portion of the un-mined SOD coal lease area and the area south of the <br />SE mine panels area adjacent to mine Panels 12, 13, and 17 (Map 2). The three monitoring <br />stations in Dry Fork: Upper, Middle and Lower Dry Fork, were established to monitor the effects <br />of mining along the drainage and to support the Minnesota Creek Augmentation Plan. In October <br />• 2005 the monitoring station at Upper Dry Fork was relocated upstream to replace the previous site <br />flooded by a beaver dam. <br />September 2006 HydrOGeo, Inc. <br />