2010-12-29_HYDROLOGY - C1980001 ‎(2)‎

• Permit No: C1980001
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/29/2010
• Doc Name: 4th Qtr 2010 Impoundment Inspection Report
• From: WWCEngineering
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: JHB
• Media Type: D
• Archive: No

QUARTERLY POND INSPECTION REPORT
THE PITTSBURG & MIDWAY COAL MINING CO.
EDNA MINE
Pond Identification: CHECK DAM #16
Type Of Pond: EARTHEN CHECK DAM STRUCTURE
Operational Status At Time of Inspection
Approximate Water Level: 2.5 Feet Below Discharge Elevation
Sediment Level (%) Total Storage: Estimated 10% of capacity.
Outflow (cfs): Not Flowino
Features c+ntl „-_-_- _ -_-

Erosional: v 11nnwuaa
Rills & Gullies On Embankment OK
Vegetation OK
Outlet Channels OK
Other N/A
Pond Structure:
Settling OK
Cracks Or Slides OK
Seepage OK
Other, N/A
Appurtenant Structures:
Primary Spillway OK
Secondary Spillway N/A No Secondary Spillway
Other N/A
Additional Comments:
Structure is functioning as designed.
Site is covered in snow.
F l ? i
Inspected By:
z--7-
Chris Miller
Date: November 10, 2010