2012-05-11_HYDROLOGY - C1981022

• Permit No: C1981022
• IBM Index Class Name: Hydrology
• Doc Date: 5/11/2012
• Doc Name: 1st Quarter 2012 Pond Inspection Report emailed ‎(Revised)‎
• From: Jim Kiger - Oxbow Mining, LLC
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

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W MINING f Li.'4r
FIRST Q13ARTER 2012 POND INSPEC-1 ION REPORT
Pond Inspection Date: March 26, 2012
OPERATOR: Oxbow Mining, LLC.
MINE: Elk Creek Mine and Surface Facilities
POND IDENTIFICATION:
Hubbard
CDPS NUMBER:
007
TYPE OF POND:
Sediment
APPROXIMATE WATER LEVEL: 0.0'(dry)
SEDIMENT (% total storage):
C5%
OUTFLOW:
None
FEATURES
EROSIONAL
Rills & Gullies
Inadequate Vegetation
Outlet Channel Erosion
Burrows
Other
STRUCTURAL
Differential Settling
Cracks or Slides
Seepage
Other
APPURTENANT STRUCTURES
Defective Spillways
Dewatering Devices Clogged
Faulty Gates, Etc.
Other
MAINTENANCE REQUIRED
REFERENCE DRAWINGS
Substation #3
013
Sediment
0.25'
<5%
None
PROBLEM PROBLEM
Pond D
016
Sediment
8.0' (6167')
—10%
None
PROBLEM
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
Yes
2.05 -M5E 2.05 -M5F 2.05 -M51)
Inspected By: �L ►`'`' kfV-
James A. felger
3737 Hwy 133 • P.O. Box 535 • Somerset. Colorado 81 434 USA
TEL [phone] FAX [phone]