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Table 7 (Cont.) <br /> Summary of Surface Water Monitoring Sites, <br /> Seneca II Mine, Routt County, Colorado <br />Site Name Drainage and Elevation 'type of Flow Measurement and Remarkel,2 <br />ICompu ter ID.) (See Exhibit 7-2) <br />Spoils Spring M6 Little Grassy Creek Q = H 6 S <br />(SSSPG6) 7440 feet <br />Spoils Spring M7 Little Grassy Creek Q = VA <br />(SSSPG7) 6615 feet <br />Spoils Spring ke Grassy Creek Q = H b S, discontinued 1997 (prelaw mining area) <br />(SSSPGB) 6765 feat <br />Spoils Spring A9 Bond Creek Q = H 6 5 <br />(SSSPG9) 7025 feet <br />Spoils Spring M10 Little Grassy Creek Q = B 6 S <br />(SSSPGI O) 7000 feat <br />1Q = VA means that flow (Q) ie calculated by multiplying measured stream velocity (v) times cross sectional area (A); <br />Q B 6 S means that Q is determined by use of a bucket (BI and stopwatch lS). <br />2Up to the end of 1983, stream velocities were measured using surface floats without a velocity correction factor. <br />Beginning in 1984, surface float velocities were taken times 0.8 per erakensiek and others (1979) "Field Manual <br />for Research in Agricul tural Hydrology" and Buchanan and Sumers' (1968) "Stage Meaeuxements at Gaging Stations". <br />Since August of 1986, velocities are measured with an electronic flow mater (Marsh-MCSirney). <br />• • • <br />D <br />