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2018-01-04_HYDROLOGY - C1981022
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2018-01-04_HYDROLOGY - C1981022
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Last modified
1/5/2018 7:24:09 AM
Creation date
1/5/2018 6:51:25 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Hydrology
Doc Date
1/4/2018
Doc Name
Quarterly Sediment Pond/Impoundment Report
From
Oxbow Mining, LLC
To
DRMS
Annual Report Year
2017
Report Quarter_Month
4
Permit Index Doc Type
Sediment Pond Inspections
Email Name
LDS
Media Type
D
Archive
No
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OXBOW MINING, LLC <br />3737 Hwy 133 P.O. Box 535 Somerset, Colorado 81434 USA Tel (970)929-5122 Fax (970)929-5177 <br />FOURTH QUARTER 2017 POND INSPECTION REPORT <br />Pond Inspection Date: December 7, 2017 <br />Miscellaneous Comments: <br />1. The SWMP control devices were inspected and all SWMP control devices were found to be in fair <br />condition. Routine quarterly maintenance to sumps was conducted. <br />2. Sediment and Water Level Determination — When sediment enters a pond, it is deposited unevenly, <br />usually collecting at the inlets rather than evenly across the bottom of the pond. Reported sediment levels <br />are based upon the inspector's observations made throughout the quarter during routine inspections in <br />combination with knowledge of the pond structure. The reported pond water level is also determined by <br />observations relative to the various landmarks in the pond (depth to bottom, primary riser, etc.) <br />Notwithstanding comments above, ponds have been maintained as designed and in accordance with the <br />approved plan. <br />Inspected By: <br />Under Direction of - <br />A. <br />4 <br />
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