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QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG & MIDWAY COAL M{NING CO. <br />EDNA MINE <br />Pond Identification: CENTER RIDGE POND (NPDES 003) <br />Type Of Pond: INCISED <br />Operational Status At Time of Inspection <br />Approximate Wa[er Level: 0.1 Feet Below Discharge <br />Sediment Level (%) Total Storage: STIMAT D 80 /° F r <br />Outflow (cfs): Estimated to be 6.2 cfs <br />Features <br />Status <br />Comments <br />Erosional: <br />Rills & Gullies On Embankment ok <br />Vegetation ok <br />Outlet Channels ok <br />Other <br />Pond Structure: <br />Settling ok <br />Cracks Or Slides ok <br />Seepage ok <br />Other <br />Appurtenant Structures: <br />Primary Spillway <br />Secondary Spillway <br />Other <br />ok <br />ok <br />Additional Comments: <br />Permanent incised impoundment. Discharge is clear and structure is performing as designed. <br />No rock over secondary spillway. Cattle paths across spillway. <br />Site covered with 1.6 feet of snow. <br />Inspected By: ~ %'~~ <br />Chris A. Miller <br />Date: December 18, 2000 <br />