2007-12-24_HYDROLOGY - C1980001

• Permit No: C1980001
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/24/2007
• Doc Name: 4th Quater 2007 Impoundment Report
• From: WWC Engineering
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Media Type: D
• Archive: No

2007 Maintenance List
The Fourth Quarter 2007 Inspection was performed on November 15, 2007. All structures were
functioning as designed. Vegetation was cleared at the north embankment of West Ridge Pond and at
the north embankment of Center Ridge Pond in the Fourth Quarter. Signage was also repaired/replaced
in the Fourth Quarter. There is currently no required maintenance at the Edna Mine.