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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: AT DISCHARGE ELEVATION <br />Sediment Level (%) Total Storage: TR T R WA I OVERED <br />Outflow (cfs): AA~~MATELY 0 7 CFS <br />Features <br />Status <br />Comments <br />Erosional: <br />Rills & Gullies On Embankment ok <br />Vegetation ok Snow Covered <br />Outlet Channels ok <br />Other <br />Pond Structure: <br />Settling ok <br />Cracks Or Slides ok Snow Covered <br />Seepage ok <br />Other <br />Appurtenant Structures: <br />Primary Spillway ok Snow Covered <br />Secondary Spillway ok <br />Other <br />Additional Comments: <br />Permanent Impoundment . <br />Discharge was clear. <br />Structure was generally snow and ice covered except for outlet. <br />With what could be seen. the structure appeared to be competent and functioning <br />properly. <br />Inspected By: <br />Kirk Allen Zabel <br />Colorado P.E. # 28855 <br />Date: March 28, 1999 <br />