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2011-03-14_REPORT - C1981022 (2)
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2011-03-14_REPORT - C1981022 (2)
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Last modified
8/24/2016 4:31:42 PM
Creation date
3/14/2011 2:37:19 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Report
Doc Date
3/14/2011
Doc Name
2010 Annual Hydrology Report
From
Oxbow Mining, LLC
To
DRMS
Annual Report Year
2010
Permit Index Doc Type
Hydrology Report
Email Name
MPB
SB1
Media Type
D
Archive
No
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a result of mining activities (or the multitude of other uses) were observed to have occurred to <br />the Bear Creek road in 2010.From a historical perspective it is important to remember that, in <br />additions to all of the surface uses of the Bear creek drainage, the Bear Creek drainage was also <br />undermined by extensive historic mine workings in the B and C seam of the Somerset Mine. <br />B-2 and B-3 -- In accordance with the Elk Creek Federal Coal Lease COC-61357 <br />"Water Replacement Plan" stipulation, surface water monitoring points B-2 and B-3 are <br />monitored for flow twice annually after tributary flow from side channels between the two points <br />has ceased. B-2 corresponds to a mid-Bear creek location roughly corresponding to the south <br />limit of the Elk Creek Federal Coal Lease. B-3 corresponds to an upper Bear Creek location <br />roughly corresponding to the north limit of the Elk Creek Federal Coal Lease. Generally, due to <br />the ephemeral nature of Bear Creek and the propensity for flows to quickly cease by late June, <br />flow measurements are most often obtained in mid-June. <br />BEAR CREEK FLOW INFORMATION <br />Date Site B-2 Site B-3 <br />E <br />June 10, 2003 0.25 cfs 0.21 cfs <br />June 16, 2003 0.097 cfs 0.088 cfs <br />June 15, 2004 0.02 cfs 0.041 cfs <br />June 22, 2004 0.0 cfs 0.0174 cfs <br />June 15, 2005 1.036 cfs 1.085 cfs <br />June 30, 2005 0.39 cfs 0.13 cfs <br />June 7,.2006 0.047 cfs 0.033 cfs <br />June 13, 2006 Trace flow Trace flow <br />June 15, 2007 0.21 cfs 0.34 cfs <br />June 28, 2007 Trace flow Trace flow <br />June 18, 2008 1.29.cfs 0.72 cfs <br />June 25, 2008 0.49 cfs 0.67 cfs <br />June 17, 2009 0.55 cfs 0.46 cfs <br />June 25, 2009 0.65 cfs 0.63 cfs <br />June 4, 2010 3.3 cfs 1.5 cfs <br />June 11, 2010 0.67 cfs 0.67 cfs <br />The information is collected in order to aid in analyzing 1) potential water depletions and 2) <br />potential for injury to any Bear Creek water rights. The sampled Bear Creek flows are very <br />minimal and typically variable. Analysis of the 2010 data, as well as subsidence monitoring and <br />observations in the field, suggests no anomalies nor any indication of adverse effects attributable <br />to mining activities. <br />E-1- Lower Elk Creek <br />Surface water monitoring point E-1 - Lower Elk Creek, an ephemeral drainage, is monitored as a <br />down gradient site to verify that the Elk Creek Mine and the surface facility located at Somerset <br />does not have an adverse affect on the quality of runoff in the drainage. During 2010 there was, <br />7
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