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PERMFILE46933
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PERMFILE46933
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Entry Properties
Last modified
8/24/2016 10:49:01 PM
Creation date
11/20/2007 12:58:59 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Revision
Doc Date
12/2/2004
Doc Name
Adequacy Comment Responses to Divisions Letter of 7/6/04
From
Mountain Coal Company
To
DMG
Type & Sequence
PR10
Media Type
D
Archive
No
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Permit Revision Adequacy Comment Response <br />November 30, 2004 <br />Page 4 of 24 <br />14. On page 2.04-42, the last full sentence on the page states that "the overall relationship between <br />the fault offset and the damage zone water storage and inflow rates becomes obvious." Please <br />describe that relationship for clarity and continuity. <br />MCC Response: MCC added discussion regarding this relationship. <br />15. On page 2.04-43 the first statement notes MCC's water handling systems. Please provide a <br />page or section reference to that discussion in the text. <br />MCC Response: MCC inserted the references for the discussions. <br />2.04.7 Hydrology Description <br />16. A minor point on page 2.04-46, please indicate in the text that figures SA, SB, SC, SD, SE, <br />and SF aze contained in map pockets and not in the text. <br />MCC Response: MCC has indicated in the text where the figures are in map pockets. <br />17. The Division requests that MCC add a map that provides a reference for visualizing <br />groundwater flow in the azea of the permit. This would show the azeas undermined and the <br />strike and dip of the strata across the area and at least allow for plotting of existing monitoring <br />~~ well sites on the map. This map will assist in the evaluation of probable hydrologic <br />consequences, monitoring plan, and in the points-of-compliance evaluation (Rule 4.05.13.) <br />MCC Response: MCC added a map to visually reference groundwater flow. <br />18. On page 2.04-48 the brief discussion on regional connectivity of stratigraphic units should be <br />explained more fully, describing the units that crop out up-dip (and thus have limited recharge <br />potential from the "active zone"), those that crop out down-dip within the permit area and the <br />observations of groundwater discharge from those down-dip outcrops. Please develop this <br />discussion more fully. <br />MCC Response: MCC added discussion in the Geology Description to address the <br />regional connectivity or lack thereof. <br />19. Please correct a minor typographical error on page 2.04-51-first paragraph, Sc' line <br />("aquifer2"). <br />MCC Response: MCC made the correction to the text. <br />20. On page 2.04-51, in the penultimate paragraph, note that the well completion and <br />abandonment data discussed have not been incorporated into Exhibit 12, to date but reside in <br />Volume 11A of the PAP. Please correct. <br />MCC Response: MCC made the appropriate change. <br />
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