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• <br />• <br /> <br />Mountain Coal Company ~ 1999 Annual Hydrology Report <br />Table 1 <br />Surface Water Monitoring Program <br /> Water uali <br />Station Flow Field Parameters[ Lab Ansl ses= <br />Nosh Fork Upper (USGS) Continuous 3 times per year Annually' <br />North Fork Lower ---- 3 times per year Ammually3 <br />Upper Sylvester Gulch Fltune 3 times per year 3 times per yeaz Annually <br />Middle Sylvester Gulch Flume Continuous 3 times per year Annually' <br />Lower Sylvester Gulch --- 3 times per year Annually <br />Minnesota Creek Lower Flume (USGS) Continuous 3 times per yeaz Annually <br />Minnesota Creek Upper Flume Continuous 3 times per year Annually <br />Lower Dry Fork Flume Continuous 3 times per year Annually <br />Middle Dry Fork Flume Continuous 3 times per year Annually <br />Upper Dry Fork Flume Continuous 3 times per year Annually <br />Lick Creek Flume Continuous 3 times per year Annually <br />Upper Gribble Gulch 3 times per year 3 times per year Annually <br />Lower Gribble Gulch 3 times per year 3 times per year Annually <br />Horse Gulch 3 times per year 3 times per year Annually <br />West Gulch, East of Horse Gulch 3 times per year 3 times per year Annually <br />East Gulch, East of Horse Gulch 3 times per year 3 times per year Annually <br />Deep Creek, Upper Continuous 3 times per year Annually <br />Deep Creek, Lower Continuous 3 times per year Annually <br />Box Canyon 3 times per year 3 times per year Annually <br />I Field parameters include pH, conductivity and temperature. <br />z Annual analyses during the second sampling period (except for the N. Fork sites during the third sampling period) include <br />laboratory analyses of pH, conducti~~ry, total dissolved solids (TDS), total suspended solids (TSS), calcium, magnesium, <br />sodium, SAR hardness, bicarbonate, chloride, nitrate/nitrite, phosphate (PO,"? as P), sulfate, iron (total and dissolved), <br />manganese (total and dissolved), aluminum (dissolved), arsenic (total recoverable), cadmium, copper, lead, mercury (total <br />recoverable), molybdenum, selenium (total recoverable), and zinc. All parameters were analyzed for their dissolved (ortn unless <br />stated otherwise. <br />If water is present, samples will be obtained three times per year for laboratory analysis of TDS, Fe (total and dissolved), Mn <br />(total and dissolved), and TSS. <br />West Elk Mine <br />D 6?I-0?' ifrymk~ 1994 AHR TaNc Ldoa <br />831-031.510 <br />Page 6 <br />Wrighr Water Engineers <br />