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• <br />u <br />,' .F <br />'~, <br />:L <br />i. <br />Mountain Coa! Company 1999 Annual Hydrology Report <br />Table 1 <br />Surtace Water Monitoring Program <br /> Water uali <br />Station Flow Field Parameters[ Lab Anal ses~ <br />North Fork Upper (USGS) Continuots 3 times per year Annuall}~ <br />North Fork Lower ----- 3 times per yeaz Atmually' <br />Upper Sylvester Gulch Flume 3 times per year 3 ttrnes per year Annually <br />Middle Sylvester Gulch Fltune 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 year 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 Annua]ly <br />Deep Creek, Lower Continuous 3 times per year Annually <br />Box Canyon 3 times per year 3 times per year Annually <br />Field parameers include pH, conductiviry• and temperature. <br />• <br />Annual analyses during the second sampling period (except for the N. Fork sites during the third sampling period) include <br />laboratory analyses of pH, conductivity, total dissolved solids (TDS), total suspended solids (TSS), calcium, magnesium, <br />sodium, SAR, hardness, bicarbonate, chloride, nitratdnitrite, 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 (or their dissolved forth 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 />Wesr E(k Mine <br />D-R31-01S3_`O~k•199V MiR TWk I Mr <br />831-031.510 <br />Page 6 <br />Wright Water Engineers <br />