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QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG 8 MIDWAY COAL MINING CO. <br />EDNA MINE <br />Pond Identification: CHECK DAM #12 <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 20% FULL <br />Outflow (cfs): TRICKLE <br />Features <br />Status <br />Comments <br />Erosional: <br />Rills 8 Gullies On Embankment see comments below <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 ok <br />Secondary Spillway No Secondary Spillway <br />Other <br />Additional Comments: <br />Structure appeared to be competent and functioning propedy. <br />Noticed small gully forming on west ridge side of outlet channel on embankment. <br />Appeared stable at time of inspection. Will continue to monitor during future inspections. <br />\\\IIII:IIIPp <br />J`~~~ `1P0~ rct~/ ~~''~i <br />Inspected By: 9 <br />Kirk Allen 2 e~ t S ~~ v <br />Colorado P.E#~t3855 = <br />,n ~ °v~ <br />Date: June 22, 1998 4~FJ's ~••«•.••'~~C~4'`~`~~ <br />~9~nnnntnntN"~\\\\~ <br />