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GENERAL40425
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Last modified
8/24/2016 7:59:37 PM
Creation date
11/23/2007 10:39:42 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981033
IBM Index Class Name
General Documents
Doc Date
11/7/2003
Doc Name
Evaluation of Underground Mine Fire Located Near Bear Mine
From
SGR
To
JJD
Permit Index Doc Type
General Correspondence
Media Type
D
Archive
No
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':. <br />Heat transfer, atmospheric movement and the presence of water accumulating neaz a <br />closed mine entry could trigger a localized combustion event. Evaluation of the ground <br />surface fiuther uphill from the observed vents, possibly from an aircraft during the <br />winter, maybe useful in evaluating whether additional portions of the mine are on fire. <br />Feature 2, the steam vent, is located easterly of the feature 1, 3, 4 alignment. The off set, <br />however, does not discount the significance of this feature. The off set and low <br />temperature of this feature may indicate underground collapse or blockage between the <br />vent location and the fire source. Such a blockage, if it exists, may be beneficial if fire <br />suppression activities are undertaken in the future. <br />People visiting the site should be cautious when approaching the vents and other fire <br />related features located on the upper bench. The parallel fracturing observed at Feature 4, <br />- -and the circular nature of the Feature`1-fracture,pattern suggest some potential-for ground- - -- <br />instability exists. <br />Based on the mining information provided and the field data collected, it appears that this <br />underground fire maybe located within a mine that was active subsequent to enactment <br />of the Surface Mining Control and Reclamation Act of 1977. If this were the case, the <br />site would not be eligible for funding or remedial work performed by the Inactive Mines <br />Program. Barring information to the contrary, the Inactive Mines Program will not <br />schedule this site for fire mitigation activities. I am available to assist Coal Regulatory <br />Program personnel if the need arises, however. <br />
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