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TABLE SO <br />Summary of Surface Water Nonltorinq Sites, Yoeet Mine <br />Site <br />Numb ar Location and <br />Blevati on Period of <br />Operation <br />comments <br />YSSF3 Upper Sege Creek 09/90-yreeent 7.5 ft. ride (2.0 tt. deep) Parshall flume w/con tinuoue tlor <br /> 7409 feet recorder, monitora upstream of Yoast Mine <br /> (SNB7W70BBA) <br />YSSF1 Riddle Saqe Creek O1/81-10/83 7.5 ft. wide 17.0 Et. deep) Parshall flume w/continuous <br /> 7216 feet recorder, monitora downstream of Yoaet Mine. Data Eor thle <br /> (SNB7WIBCDD) for thle Bite contelned in USGS Open-Ella Reyort 90.708. <br /> Diecoatlnued 10/83, Eluma relocated to Site YSSF3 (sae <br /> above) summer 1990. Replaced by 91te Y552 lase below) in <br /> 5/91 <br />YSS7 Middle Sage Creek OS/91~yresent No instrumentation, replaces Site YSSF1 (see above), <br /> 7718 feet located aDDrox. 150 ft. uyetream of Site YSSF1 due to <br /> (SN87W1BCDD) beaver dame <br />7 WsSF7 Lower Sage Creak 09/90-yreeent 3.0 f[. rlda 17.5 ft. deep) Parshall flume w/continuove <br />~+ 6857 feet Elow recozdar, monitors dornetreato of both Yoaet and <br />~ (SNBBWI3ACC) Sanaca II-W Minas <br />YSSF3 Y1 Pond, Tributary to Sage creek O7 /91-present 1.0 ft. ride (1.5 Et. deep) Parshall flume w/con tinuoue <br /> 7758 feet Elor recorder, monitors discharge of Y1 Pond <br /> (5NB7W19BAA) <br />YSS7 Y1 Draw, Tributary to Sage Creek OS/91-Dresent No instrumentation, moni tore Inflow to Y1 pond <br /> 7765 Eeet <br /> (SN87W19ABB) <br />YSAF4 Armand Diaw, Tributary to Grapy 05/91-06/96 1.5 Et. ride (1.5 Et. deep) Parshall flume w/continuous <br /> Creek flow recorder. Monitors baseline data only for Armand <br /> 6968 Eeet Draw downstream of Dropoeed mining. Di econtinued <br /> (SN87WBCDB) and replaced rich YSA4 <br />YSGF5 Grassy creek 04/91-present 7.0 ft. ride (7.0 ft. deep) Parshall Flume w/continuous <br /> 6905 feet Elor recorder. Monitors downstream of minor dleturbancee <br /> (SN87W16 DAR) by Yoaet Mina in Giaeey Creek basin. Will diacontinua <br /> continuous Elow recorder starting in 1994 <br />YSA4 Armand Drar Tributary 06/94.08/96 No iaetrumantation, monitora Armand Draw a[ Future <br /> to Graeey Creak NPDB9 10 alts, rill diacontinua upon construction of <br /> 6780 feet tbat sediment Dond <br /> (SN87NBABD) <br /> <br />