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GENERAL52103
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Entry Properties
Last modified
8/24/2016 8:38:06 PM
Creation date
11/23/2007 7:27:39 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
General Documents
Doc Date
6/3/2005
Doc Name
2005 Determination of Impoundment Letter
From
DMG
To
Twentymile Coal Company
Permit Index Doc Type
General Correspondence
Media Type
D
Archive
No
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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />June 3, 2005 <br />Jerry M. Nettleton <br />Environmental Coordinator <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 / <br />~~ <br />,~ °`" <br />~~VY~ <br />ryM <br />,~°' <br />COLORADO <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />0.EG EANATION•MINING <br />SAEETY•SOFNCE <br />Bill Vnen$ <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Canany <br />Division Director <br />NaNral Resource Trustee <br />Re: Foide] Creek Mine, Permit C-1982-056, Coal Complete Inspection of May 3, <br />2005, Determination of Impoundment <br />Dear Mr. Nettleton: <br />The Colorado Division of Minerals and Geology (Division) has completed a review of <br />the classification of the cuttings pit at the 18-Right Ventilation Shafr site. As we <br />discussed briefly by telephone yesterday, the Division concludes that the pit is, under <br />Rule 4.05.9, an impoundment. As such, please add this structure to your list of <br />impoundments (for inspections, etc.). In addition, please submit the engineering designs <br />as appropriate to this impoundment within 30 days. <br />We also discussed, during our telephone conversation, the pending closure of the cuttings <br />pit. The Bleeder Shafr Pad SAE, Rock Filter and Grass Filter below Pad, of Exhibit 8T, is <br />the current sediment control demonstration for the 18-Right Ventilation Shafr pad. Please <br />revise this demonstration in the event that the closure results in any condition (watershed <br />area) that would increase the potential for sediment-laden runoff to leave the disturbed <br />area. <br />In addition, please include (see page 2.05-106), and make reference to, a large-scale <br />design of the f nal reclamation (proposed reclaimed contours) of the 18-Right Ventilation <br />Shafr site. <br />Please call me if you have any questions. <br />Yours truly, <br />Byron G. Walker <br />Environmental Protection Specialist <br />cc: Daniel I. Hernandez, Division (e-mail) <br />Office of Office of Colorado <br />Mined Land RErlamation Active and Inactive Mines Geological Survey <br />
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