2017-10-11_HYDROLOGY - C1981022

• Permit No: C1981022
• IBM Index Class Name: Hydrology
• Doc Date: 10/11/2017
• Doc Name: Quarterly Sediment Pond/Impoundment Report
• From: Oxbow Mining, LLC
• To: DRMS
• Annual Report Year: 2017
• Report Quarter_Month: 3
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: LDS
• Email Name: JRS
• Media Type: D
• Archive: No

THIRD QUARTER 2017 POND INSPECTION REPORT
Pond Inspection Date: September 28, 2017
OPERATOR:
MINE:
POND IDENTIFICATION:
CDPS NUMBER
TYPE OF POND:
APPROXIMATE WATER LEVEL:
SEDIMENT (% total storage):
OUTFLOW:
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:
Inspected By:
Oxbow Mining, LLC.
Elk Creek Mine and Surface Facilities
Pond Al
Pond B
Pond C
East Yard
009
012
014
010
Sediment
Sediment
Sediment
Sediment
0.0'
1.2'(6061.2')
0.0'
0.0'
<5%
<5%
<5%
<5%
None
None
None
None
PROBLEM
PROBLEM
PROBLEM 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
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
2.05-M5A
2.05-M5B
2.05-M5C
2.05-M5E
Smith
14