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West Elk Mine 2013 Annual Hydrology Report 30 <br />3.2.3 Springs above the B -Seam in the Jumbo Mountain Area in the <br />North Fork of the Gunnison River Drainage Basin <br />3.2.3.1 Spring CR -12 (Decreed Spring #12) <br />Spring CR -12 is located in Lone Pine Gulch in the northwest mine panels area (Map 2). <br />It issues from alluvium on the south side of the gulch. This is a perennial spring, but the <br />volume of flow diminishes in summer and autumn. This spring has been monitored since <br />1993. <br />3.2.3.2 Spring G -26a <br />Spring G -26a is located in Lone Pine Gulch in the northwest mine panels area (Map 2). <br />This spring issues from alluvium and flows into a small pond. Measurable flow has not <br />been observed at this spring since WY 2001. This spring has been monitored since 1980. <br />3.2.3.3 Spring G -28a <br />Spring G -28a is located in a north tributary to Gribble Gulch (Map 2). It is situated <br />above the northwest mine panels area. This spring issues from alluvium and is seasonal. <br />Flow usually occurs during the peak flow period and accumulates in a stock pond. This <br />spring has been monitored since 1978. <br />3.2.3.4 Spring G -31 (Decreed Spring #33) <br />Spring G -31 is located in Gribble Gulch above the east end of the Jumbo Mountain mine <br />panels area (Map 2). This spring issues from alluvium and flows into a small pond. It is <br />seasonal and flow usually occurs during wet spring conditions. The pond is often dry in <br />summer and autumn. This spring has been monitored since 1977. <br />3.2.3.5 Spring G -30 <br />Spring G -30 is located in Gribble Gulch north of the Jumbo Mountain mine panels area <br />and west of the northwest mine panels area (Map 2). It issues from alluvium, but <br />measurable flow has not been observed since WY 2001. This spring has been monitored <br />since 1977. <br />3.2.3.6 Spring G -25 (Decreed Spring #22) <br />Spring G -25 is located in the Gribble Gulch drainage and is situated north of the Jumbo <br />Mountain mine panels area and west of the northwest mine panels area (Map 2). It issues <br />from alluvium and flows into a holding pond. This spring has perennial flow which <br />diminishes in late summer. This spring has been monitored since 1977. <br />3.2.3.7 Spring G -35 (Decreed Spring #18) <br />Spring G -35 is located on the north flank of Jumbo Mountain in an unnamed drainage <br />west of Gribble Gulch which is tributary to the NFGR (Map 2). This spring is situated <br />north of the Jumbo Mountain mine panels area. This spring issues from alluvium and <br />flows into a holding pond which has water during wet climatological cycles. This spring <br />has been monitored since 1993. <br />June 2014 HydroGeo, Inc. <br />