2011-08-01_REPORT - C1980007 (5)

Home Browse Search

• • West Elk Mine 2010 Annual Hydrology Report 17 Middle and Upper Dry Fork monitoring stations. Poison Gulch is located in the SOD mine plan area. The Poison Gulch monitoring station was established as a new monitoring location in the spring of 2005 and does not have a flume or data logger (Map 2). Baseline monthly monitoring of Poison Gulch began in May 2005 and included measuring flow, collecting field water quality data, and collecting samples for laboratory water quality analyses from May through October 2005. Routine monitoring (three times per year) of Poison Gulch began in WY 2006. 3.1.3.4 Deer Creek Deer Creek is an ephemeral stream that is tributary to the Dry Fork and only flows in response to storm events and spring runoff. Deer Creek flows into Dry Fork, upstream of the Minnesota Reservoir Flume monitoring station and downstream of the Middle Dry Fork monitoring station. Deer Creek is located in the SOD area. The Deer Creek monitoring station was established as a new monitoring location in the spring of 2005 and does not have a flume or data logger (Map 2). Baseline monthly monitoring of Deer Creek began in May 2005 and included measuring flow, collecting field water quality data, and collecting samples for laboratory water quality analyses from May through October 2005. Routine monitoring (three times per year) of Deer Creek began in WY 2006. 3.1.3.5 Horse Gulch and East Gulch, East of Horse Gulch Horse Gulch and East Gulch, east of Horse Gulch are ephemeral stream drainages that are tributary to the Dry Fork and flow only in response to storm events and spring runoff. Horse Gulch flows into Minnesota Reservoir. East Gulch, east of Horse Gulch flows into the Dry Fork, upstream of the Minnesota Reservoir Flume monitoring station and downstream of the Middle Dry Fork monitoring station. Both streams drain the area that overlies the B -seam Southeast longwall panel area and the area located within the SOD mine plan area. These monitoring stations were established in 1977, do not have flumes or data loggers, and are located north and east of Minnesota Reservoir (Map 2). 3.1.3.6 Minnesota Creek (Upper, Lower) Minnesota Creek is the major stream that drains the southwestern portion of the permit area. There are two stream monitoring stations in Minnesota Creek: Upper Minnesota Creek, located upstream of Dry Fork; and Lower Minnesota Creek, located downstream of Dry Fork. The Upper Minnesota Creek monitoring station was established July 2011 HydroGeo, Inc.