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<br />Summary of surface Mater Monitoring sites, <br />Seneca II Mine, Rou[[ Lounty, Colorado <br />a <br />N <br />Site Name <br />(Computer No.) <br />Spoils Spring #7 <br />(BP0007) <br />Spoils Spring #8 <br />(BP0008) <br />Spoils Spring k9 <br />(BP0009> <br />Tabl~ (Cont.) <br />Drainage and Elevation <br />(See Exhibit 7-2) <br />Upper Little Grassy Creek <br />6695 feet <br />Northwest Diversion Ditch <br />6765 feet <br />Bond Creek <br />7025 feet <br />type of Flow Measurement and Rema rk sl,2 <br />D = B 8 S <br />D = B & S <br />0 = B 8 S <br />1D = VA means that flow (0) is calculated by multiplying measured stream velocity (V) times cross sectional area (A); <br />D = e 8 S means that 0 is determined by use of a bucket (B) and stopwatch (S). <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 Bra kensiek and others (1979) "field Manual <br />for Research in Agricultural Hydrology" and Buchanan and Sume rs' (1968) "Stage Measurements at Gaging Stations". <br />Since August of 1986, velocities are measured with an electronic flow meter (Marsh-MCBirney). <br /> <br />