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QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG & MIDWAY COAL MINING CO. <br />EDNA MINE <br />Pond Identification: CENTER RIDGE POND (NPDES 0031 <br />Type Of Pond: INCISED <br />Operational Status At Time of Inspection <br />Approximate Water Level: 0.2 feet above discharoe elevation <br />Sediment Level (%) Total Storage: Estimated 85% full <br />Outflow (cfs): Flowing <br />Feahirrns <br />Status <br />Comments <br />Erosional: <br />Rills & Gullies On Embankment OK <br />Vegetation OK <br />Outlet Channels OK <br />Other WA <br />Pond Structure: <br />Settling OK <br />Cracks Or Slides OK <br />Seepage OK <br />Other N/A <br />Appurtenant Structures: <br />Primary Spillway OK <br />Secondary Spillway OK <br />Other WA <br />Additional Comments: <br />Structure is functioning as designed. <br />Site covered with snow. <br />-1,,*'L 2 ZZ? -2 <br />Inspected By 2 k< <br />Chns Miller <br />Date: March 17, 2010