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PBRIODIC INSPECTION FORN <br />Stockponds or Sumps <br />INSPECTOR'S NAME: $py Kare <br />FACILITY CONFIGURATION: Stec pond <br />SITE NAME: m-12 <br />MINE NAME: Seneca Ii <br />MINE I.D. NO.: c-80-DOS <br />DATE: D3/24/99 <br />DATE LAST INSPECTION: 12/15/98 <br />LOCATION: Nw3~cE3~ c__~es__t~ TSN RB7W <br />LOCATION: 7.1 mi SE of Hayden, CO <br />OWNER'S REP.: Brad Rrown, Gen MQr <br />1. Angle of elope: 3e1 upstream, 3:1 downstream Total = 6.1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment elopes: Yee ~ N/A <br /> At natural hillside: Yee ~ N/A <br /> Over widespread areas: Yee NO N/A <br /> From downstream foundation area: Yee ~ N/A <br /> "Soils" beneath stream or ponded water: Yee ~ N/A <br />3. Cracks or scarps on treat: Yee ®o N/A <br />4. Cracks or scarps on elope: Yee ~ N/A <br />5. Sloughing or bulging on elope: Yee ® N/A <br />6. *Major erosion problems: Yee ~ N/A <br />7. Surface movements in valley bottom or on hillside: Yee ® N/A <br />8. *ErOBiOn of toe: Yee , <br />,,!! <br />V N/A <br />9. *Water impounded against downstream toe: Yee ® N/A <br />10. Existing embankment freeboard: Awnreximately ~ feet <br />11. Increase Decrease in water level: No change feet <br />12. Cracks, bulging, or erosion on upstream face: Yee ~ N/A <br />13. Spillway erosion: Yee ~ N/A <br />14. *Clogging <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: Yes N/A <br />*Major adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse <br />conditions noted in these items should normally be described (extent, location, volume, <br />etc.) in the apace on the back of this sheet. <br />