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QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG & MIDWAY COAL MINING CO. <br />EDNA MINE <br />Pond Identification: CHECK DAM #10 <br />Type Of Pond: EARTHEN CHECK DAM STRUCTURE <br />Operational Status At Time of Inspection <br />Approximate Water Level: WATER AT DISCHARGE ELEVATION <br />Sediment Level (%) Total Storage: ESTIMATE 40% FULL <br />OutFlow (cfs): TRICKLE <br />Features <br />Status <br />Comments <br />Erosional: <br />Rills & Gullies On Embankment ok <br />Vegetation ok <br />Outlet Channels See Note Below <br />Other <br />Pond Structure: <br />Settling ok <br />Cracks Or Slides ok <br />Seepage ok <br />Other <br />Appurtenant Structures: <br />Primary Spillway See Note Below <br />Secondary Spillway No Secondary Spillway <br />Other <br />Additional Comments: <br />Outlet channel has eroded and is forming a gully to West Ridge side of <br />original rocked channel. <br />Small hole in fabric is allowing water to undercut original lined channel down stream. <br />Recommend adding material to repair damage and reshaping outlet channel, including <br />repositioning the fabric and rock lining materials. <br />Inspected By: NBC., /t~ ~ <br />Kirk Allen ZabbY <br />Colorado P.E. # 28855 <br />Date: September 26, 1997 <br />`\\\\\\\\~~~ooiiR~~ r~ <br />`~iY~ ~R,e 0 <br />28855 r: - <br />_~; ~¢_ <br />~i~~ii~~Sl ANAL F-N~~o`~~ <br />