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INSPECTOR'S NAME: Dennis Jones <br />FACILITY CONFIGURATION: Stockpond <br />SITE NAME: ST -1 <br />MINE NAME: Yoast Mine(Seneca Coal Co) <br />MINE I.D. NO.: C -94 -082 <br />PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />Circle or write in appropriate response <br />1. Angle of slope: upstream, downstream <br />2. *Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />3. Cracks or scarps on crest: <br />4. Cracks or scarps on slope: <br />5. Sloughing or bulging on slope: <br />6. *Major erosion problems: <br />7. Surface movements in valley bottom or on hillside: <br />8. *Erosion of toe: <br />9. *Water impounded against downstream toe: <br />10. Existing embankment freeboard: <br />11. Increase Decrease in water level: <br />12. Cracks, bulging, or erosion on upstream face: <br />13. Spillway erosion: <br />14. *Clogging <br />Spillway channels: <br />Diversion ditches: <br />DATE: S - ` 21 <br />DATE LAST INSPECTION: <br />LOCATION: SW %, Sec 20, T5N, R87W <br />LOCATION: 8.5 mi. SE of Hayden, CO <br />OWNER'S REP.: Roy Karo, Gen Mgr <br />Total = N/A <br />Yes No' N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes N N/A <br />l feet <br />feet <br />Yes No\ N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />*Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions <br />noted in these items should normally be described (extent, location, volume, etc.) in the <br />space on the back of this sheet. <br />Comments: Pond 8 feet deep from spillway 1,042-(a-4-0 <br />