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Mining Area Yoast Mine(Seneca Coal Co) Facility Configuration Cross-Valley Pond <br /> Date Inspected 3/2/2018 Date Last Inspected 10/17/2017 <br /> Impoundment Pond#010 Pond Location NW%NEX,Sec.8,T5N,R87W Quarterly Impoundment Inspection Form <br /> NPDES 1D No CO-0000221 D.P.010 Site Location 8.5 mi SE of Hayden,CO <br /> Owner's Rep Miranda Kawcal< Inspector Chris Miller <br /> Mark or Write in Appropriate Response: <br /> FEATURE PROBLEM COMMENTS <br /> YES(Above) NO(Below) <br /> GENERAL <br /> Water Level(above or below principal spillway) X water level 0.08 feet above spillway <br /> Existing Embankment Freeboard(10.1 ft) 10.1 <br /> Outflow(gpm) X 23.2 <br /> EROSION <br /> Rills&Gullies on Embankment X <br /> Wave Erosion X <br /> Spillway Erosion X <br /> Burrows X <br /> Other X <br /> STRUCTURAL <br /> Differential Settling X <br /> Cracks or Slides X <br /> Seepage X <br /> Other X <br /> STRUCTURES <br /> Principal Spillway <br /> Clogged Orifice X <br /> Clogged or Damaged Culvert X Intake starting to rust out but still functionable <br /> Damaged Headgate NA <br /> Emergency Spillway <br /> Erosion X <br /> Riprap X <br /> Clogged or Damaged Culvert X <br /> Other X <br /> MAINTENACE <br /> Maintenance Required X See comment above <br /> Maintenance Performed X <br /> Additional Comments X <br />