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Draft West Elk Mine 2005 Annual <br />3.1. <br />11 <br />• Poison Gulch is an ephemeral stream that is tributary to upper Dry Fork and flows only in response <br />to storm events and spring runoff. The Poison Gulch drainage drains the northern portion of the <br />un-mined SOD coal lease area and the area south of the SE mine panels area adjacent to mine <br />Panel 13 and 17 (Map 2). The monitoring station in Poison Gulch was established in 2005 to <br />provide baseline data for the SOD area. <br />3.1.3.5 Deer Creek <br />Deer Creek is an ephemera] stream drainage that is tributary to middle Dry Fork and flows only in <br />response to storm events and spring runoff The Deer Creek drainage drains the northern portion of <br />the un-mined SOD coal lease area (Map 2). The monitoring station in Deer Creek was established <br />in 2005 to provide baseline data for the SOD area. <br />3.1.3.6 Horse Gulch and East Gulch, East of Horse Gulch <br />Horse Gulch and East Gulch, East of Horse Gulch are ephemeral stream drainages that are tributary <br />to Dry Fork and flow only in response to storm events and spring runoff These streams flow into <br />Minnesota Reservoir, drain the SE mine panel area, and area located within the un-mined SOD coal <br />• lease area (Map 2). <br />3.1.3.7 Upner and Lower Minnesota Creek <br />Minnesota Creek is the major stream that drains the southern part of the Project area. There aze <br />two monitoring stations in Minnesota Creek, Upper Minnesota located upstream of Dry Fork and <br />lower Minnesota Creek located downstream of Dry Fork. The upper Minnesota Creek monitoring <br />station was established by the USFS in 1977 to collect baseline data for the un-mined SOD coal <br />lease azea and to support of the Minnesota Creek Augmentation Plan. These two stations monitor <br />the hydrologic effects of mining the SE mine panel area (Map 2). <br />L <br />September 2006 HydroGeo, Inc. <br />