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2010-06-02_REVISION - C1981019
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2010-06-02_REVISION - C1981019
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Last modified
8/24/2016 4:12:40 PM
Creation date
6/2/2010 10:29:49 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
REVISION
Doc Date
6/2/2010
Doc Name
Response to Division's Preliminary Adequacy Report
From
Colowyo Coal Company
To
DRMS
Type & Sequence
TR81
Email Name
JRS
SB1
Media Type
D
Archive
No
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"Premine Topo". These areas should be shaded as they are on sections ST B-B' and <br />ST C-C'. Please shade all areas of "permanent fill" on each cross section. <br />Response: The areas of "permanent fill" have been shaded as such on the cross sections <br />in Map 20B and Map 45 and the legends have been revised accordingly. <br />8. Map 45 - South Taylor Fill <br />a. In the cross section views, the slope ratios are not labeled. Please provide the H:V <br />slope for the "Design Fill" surfaces (where sections have been drawn parallel to <br />the slope), verifying that recommended slopes from the Shannon & Wilson study <br />have been incorporated. <br />Response: Slope ratios have been added to the cross sections on Map 45. Where the <br />section does not cross the slope exactly at a right angle, a note indicating the slope angle <br />perpendicular to the slope face is also included. <br />b. For each temporary fill, additional cross sections would be helpful, oriented <br />approximately perpendicular to B-B', C-C' and E-E'. <br />Response: Previous cross-section E-E' has been deleted as described in the response to <br />Comment #4. A new cross section E-E' has been added which runs approximately more or <br />less perpendicular to A-A', B-8', and C-C , also as mentioned in comment #4. Former cross- <br />section location E-E' has been removed. <br />c. Extents of anticipated highwall mining are not shown on the cross sections or in plan <br />view. Please add these features to Map 45. <br />Response: Anticipated and completed highwall mining lines have been added to the <br />cross sections and plan view, with explanatory notes for cases where highwall mining is not <br />actually under the section but is projected onto it from a few hundred feet away. <br />d. The maroon-colored line in the southern portion of the plan view is not identified in <br />the legend. Please revise as necessary. <br />Response: Text labeling of the "South Taylor Fill Design" which is designated by a thin <br />blue line has been put on the cross sections and plan view. <br />e. In the legend, a thin purple line is labeled "South Taylor Fill Design". This line does <br />not appear in the diagram. Please review and revise as necessary. <br />Response: The text "South Taylor Pit Shell" which is designated by a brown line on the <br />map has been added to the legend. Text labeling of the "South Taylor Fill Design" which is <br />designated by a thin blue line has been put on the cross sections and plan view.
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