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2015-07-09_PERMIT FILE - C1981014A
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2015-07-09_PERMIT FILE - C1981014A
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Last modified
8/24/2016 6:09:03 PM
Creation date
8/19/2015 9:41:45 AM
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Template:
DRMS Permit Index
Permit No
C1981014A
IBM Index Class Name
Permit File
Doc Date
7/9/2015
Section_Exhibit Name
4.05 Hydrologic Balance
Media Type
D
Archive
Yes
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• Hydrology Map, (Map 12), Loadout Area Surface and Groundwater Hydrology <br />Map, (Map 13), Drainage and Sediment Control Map, (Map 20) and Maps 21 <br />through 24 and 26 and 27 which illustrate specific designs for the <br />individual ponds. <br />All sedimentation ponds, unless otherwise required by Federal or State <br />law, will be completely removed and effected areas reclaimed upon <br />completion of mining and related activities and restoration of <br />contributing drainage areas. Restoration criteria include a revegetation <br />success determination as described by Section 2.05.4, Reclamation Plan, <br />and effective restoration of drainage characteristics such that the <br />quality of untreated runoff from reclaimed areas is approximately equal <br />to the quality of receiving drainages before the initiation of any mining <br />activity as established by baseline water quality data. <br />Sedimentation pond reclamation will involve removal of any man-made <br />discharge structures, removal and disposal of any riprap and bedding <br />• materials which will not be utilized in conjunction with reestablishment <br />of post-mining drainages, grading of embankment fill into pond basin <br />areas, and regrading associated disturbance areas to blend with <br />surrounding reclaimed and undisturbed terrain. Replacement of topsoil and <br />revegetation as described in Section 2.05.4, Reclamation Plan, will <br />complete pond reclamation. <br />All of the sedimentation ponds in the mine area have embankments which <br />exceed 10 feet in height. Consequently these ponds fall within the <br />jurisdiction of the State Engineer and appropriate submittals have been <br />provided and approvals obtained from the State Engineer's Office. The <br />Loadout area ponds both have embankments less than 10 feet in height and <br />relatively limited storage volumes. Consequently State Engineer <br />requirements are not applicable for these ponds. None of the mine or <br />Loadout area ponds have embankments exceeding 20 feet in height or storage <br />volumes in excess of 20 acre feet. Consequently, MSHA requirements are <br />not applicable. <br /> <br />4.05-19 <br />
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