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QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG 8 MIDWAY COAL MINING CO. <br />EDNA MINE <br />Pond Identification: CHECK DAM #11 <br />Type Of Pond: EARTHEN CHECK DAM STRUCTURE <br />Operational Status At Time of Inspection <br />Approximate Water Level: 0.5 FT. BELOW DISCHARGE ELEVATION <br />Sediment Level (%) Total Storage: ESTIMATE 35% FULL <br />Outflow (cfs): NONE <br />Features <br />Status <br />Comments <br />Erosional: <br />Rills 8 Gullies On Embankment ok <br />Vegetation ok <br />Outlet Channels SEE 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 ok <br />Secondary Spillway No Secondary Spillway <br />Other <br />Additional Comments: <br />Structure appeared to be competent and functioning properly. <br />Outlet channel is starting to erode on west ridge side of channel. <br />Condition should continue to be monitored and repairs made if <br />condition worsens. <br />~pa~ uupip~ri <br />~~ Rf '~~, <br />Inspected By: ~ ~ •••• G/S ~'yi <br />P~ EN'•.,T!"9 <br />Kirk Allen Zabel sT • ~ lye ~ ~,. <br />Colorado P.E. # 288gi ?" ~; ° <br />28855 S = <br />p ~ ~ 4 <br />Date: November 20, 1998 ~-^ '•.• •.~ c~~"a <br />