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REP17628
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REP17628
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Entry Properties
Last modified
8/24/2016 11:46:39 PM
Creation date
11/27/2007 2:12:01 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Report
Doc Date
10/28/2004
Doc Name
3rd Quarter 2004 Quarterly Observation Report & Refuse Pile
From
Northwest Colorado Consultants Inc
To
Twentymile Coal Company
Permit Index Doc Type
Waste Pile/Fill Report
Media Type
D
Archive
No
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As suggested, the water levels in the monitor wells installed on October 23, 1997 and December 9, 1999 <br />were measured during this quarter on a monthly basis. A table/graph showing the monthly water levels is <br />attached. <br />We were advised that the mine had produced approximately 27, 030 cubic yards of waste coal during the <br />month of July 2004: 9,940 cubic yards during August 2004: and approximately 14,000 cubic yards during <br />September 2004. It is our understanding that the fines being produced at the wash plant, which consists of <br />] 0 to 20 percent of the total materials being produced, are being pumped underground into the mine. <br />Based on our limited observations, it appears that the pile is currently being constructed and maintained in <br />general accordance with the project specifications and plans submitted under 2.05.3(8) and that the <br />potential hazard to hum ife and property at the site in it's present condition is minimal. This report <br />fulfills the quarterly ins ion requirements as specified by Rules 4.09.1(1 l)(a), 4.09.1(11)(b), 4.10.2(2)(a) <br />and 4.10.2(2)(b). If y ave any questions regarding this report or our observations, please contact this <br />office. <br />2~7~0 <br />Brian D. Len,' <br />.~7 <br />~~. ~1 <br />xc: Byron G. , lJ'oOiy~~,Q~`~n~rals & Geology <br />A <br />Job Number: 99-3983 NWCC, Inc. Page 2 <br />
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