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2008-11-06_REVISION - C1980007
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2008-11-06_REVISION - C1980007
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Entry Properties
Last modified
8/24/2016 3:37:46 PM
Creation date
11/7/2008 9:22:00 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
REVISION
Doc Date
11/6/2008
Doc Name
Letter Application and Public Notice
From
Mountain Coal Company
To
DRMS
Type & Sequence
TR115
Email Name
TAK
Media Type
D
Archive
No
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• <br />MOUNTAIN (OA1 <br />t-". "` X COMPANYL.L.C. <br />A Subsidiary of Amb Western Resources, LLC <br />November 06, 2008 <br />Mr. Tom Kaldenbach <br />Colorado Division of Reclamation Mining and Safety <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RECEIVED <br />NOY U `6 2008 <br />Division o Keciamawn. <br />Mkbg and Safety <br />West Elk Mine <br />P.O. Box 591 <br />5174 Highway 133 <br />Somerset, CO 81434 <br />(970) 929-5015 <br />Fax (970) 929-5595 <br />Re: Mountain Coal Company LLC (MCC), West Elk Mine; Permit No. C-80-007; Submittal of <br />Technical Revision No. 115, Mine Water Control Plan, Exhibit 66, Volumes 8A and 8A(2), <br />Update Sediment Control Plan. <br />Dear Mr. Kaldenbach: <br />MCC is submitting the attached information for a technical revision to the Mining and Reclamation <br />Permit to update Exhibit 66. As we discussed in our meeting of September 24, 2008, the current <br />Exhibit 66, Mine Water Control Plan, Volumes 8 A and 8 A(2), needed to be updated by MCC's <br />contractor TetraTech. These revisions were necessary and prudent to update the Division on changes <br />to the sediment control plan over the last few years. Due to topographical changes onsite from <br />landslide activity, temporary culverts placed that became permanent, temporary culverts removed, and <br />still others that need to be placed, it was necessary to conduct a complete audit of all ditches, culverts, <br />and update the mine water control plan. After the audit was conducted, MCC then completed new <br />Maps Nos. 54 and 54B, flow diagrams, Sedcad runs, culvert designs, and denoted sub-watershed <br />basins. None of the approved designs for ponds were changed. <br />Attached are the revision form, public notice, and new Exhibit 66,Volumes 8A and 8A (2), showing <br />the ground-truthed locations of all ditches, culverts, sub-watershed basins, and new Maps 54, and 54B. <br />The information in these volumes should help the Division with the mid-term review and should help <br />the Division with future inspections. <br />.0
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