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<br />Table 7 <br />Sedimentation Pond Data - Part I <br />~ ~l <br />I~LJ~scp <br />~ «1 <br /> <br />Item <br />s <br />Sedimentation Ponds <br />1 2 3 5 6 (~) <br /> <br />Sedimentation Pond No. 1 <br />2 <br />3 <br />4. <br />5 ___ <br />~ <br />Designation Taylor Gulch _,. Streeter Gulch Work Loodout st ~Kz~ <br />Tributary ', Gulch A Area Area ~:d~~~y - <br />Watershed Area <br />Pre-mining (acres) <br />Post-mining <br />Disturbed (acres) <br />Undisturbed (acres) <br />Total (acres) <br />Precipitation, 10 yr. 24 hr, (inches) <br />Runoff Curve No. (CN) <br />Runoff, depth (inches) <br />volume (acre-feet) <br />Sediment yield - 3 years (acre-feet) <br />Runoff volume 8 <br />sediment yield (acre-feet) <br />Storage volume below <br />emergency spillway (acre-feet) <br />843 1,424 419 <br />595 1,049 650 <br />499 318 l7 <br />1,094 1,367 667 <br />1.8 1.8 1.8 <br />67 67 67 <br />0.055 0.055 0.055 <br />S.OI b. 27 3.06 <br />0.92 1.07 0.58 <br />5.93 <br />7.34 <br />3.64 <br />8.21 <br />11.77 <br />5.01 <br />Nil <br />137 <br />0 <br />137 <br />1.8 <br />78 <br />0.37 <br />4.22 <br />0.52 <br />4.74 <br />17.30 <br />Nil <br />26 <br />0 <br />26 <br />1.8 <br />90 <br />0.58 <br />1.25 <br />0.32 <br /> <br />/~ <br />8 <br />l¢ <br />1.8 <br />9a <br />D.S ~b <br />~,~9 <br />°• ~'~ <br />1.57 0,86 <br />3.78 /,9~ / <br />~ ~~ <br />~~ <br />