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QUARTERLY POND INSPECTION RE~T (~(~ III IIIIII'IIIIIIIII <br />~~ Third Quarter 1987 (1/3) ~'1E~ ~-~ ~ C! ~ ® II <br />OPERATOR: Snowmass coal Company ~ C T 1 5 X987 <br />MINE: North Thompson Creek Mines CJIiNi=D Lf~ND <br />ClECLAAAATION DIVISION <br />DATE OF INSPECTION: 10-07-87 <br />1 2 3 a G <br />POND IDENTIFICATION p_1 p_2 P-3 P-4 P-5 <br />TYPE OF POND Detention Detention Sediment Detention Detention <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 1, 2, 4 & 5 - dry 3 - below discharge <br />Sediment level (X total storage): 3- 25% <br />Outflow (cfs): No discharges <br />r~niurtt~ PROB LEM COMM NTS <br />EROSIONAL: Yes No <br /> <br />Rills E Gullies on Embankment P-5 was artiall filled with sediment <br />P Y <br />Inadequate Vegetation in a gully washer in July. It has <br />Outlet Channel Erosion been cleaned out and will be seedell <br />Burrows this fall. <br />Other <br />STRUCTURAL: Yes No <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: Yes No p-4 a 4' discharge pipe was installed to <br />Defective Spillways x handle a 100 year event. <br />Dewatering Device Clogged x <br />Faulty Gates, Baffles. Pumps x <br />Other x <br />ADDITIONAL COMMENTS: Regrading at <br />by P-3. <br />MAINTENANCE REpUIRED: none the #3 mine started - sediment control covered <br />NAME OF INSPECTOR: Larry FI. Reschke <br />