2011-10-11_REVISION - M1981185

• Permit No: M1981185
• IBM Index Class Name: REVISION
• Doc Date: 10/11/2011
• Doc Name: Response to 6th adequacy letter to CN-01
• From: GreenbergTraurig for Wildcat Mining Corporation
• To: DRMS
• Type & Sequence: CN1
• Email Name: WHE
• Media Type: D
• Archive: No

Mr. Wallace H. Erickson
Response to Sixth Adequacy
October 11, 2011
Page 9
clarification. See Ex. 5. No changes are necessary to Figures F -1 and F -5 to reflect this
highwall reduction method.
Adequacy Issue No. 7.
The configuration of the repaired channel for Little Deadwood Gulch at May Day
2 is illustrated on Figure D -1 of Attachment D -3, May Day 2 Storm water Control Plan.
Figure D -1 of Attachment D -3, illustrates that mine related debris will be removed from
the channel and the impacted channel restored to a stable configuration. However,
according to Figure F -3, May Day 2 Reclamation Topography, portions of the repaired
channel will be buried in backfill material during final reclamation. As shown on Figure
F -3, the backfilling of Little Deadwood Gulch commences at contour line 8835 and
continues through contour line 8810. Figure F -3 does not indicate a channel across the
backfill material necessary to convey the natural drainage.
The proposed Reclamation Plan discusses removal of mine debris from the
channel of Little Deadwood Gulch but does not discuss new backfill being placed in
Little Deadwood Gulch. Please submit a revised Figure F -3, which shows the final
configuration of all portions of Little Deadwood Gulch located within the affected land
boundary, and which does not conflict with the proposed Reclamation Plan.
Response to Adequacy Issue No. 7.
Wildcat is submitting a revised Figure F -3 clarifying that backfill material will
not be placed in Little Deadwood Gulch at May Day No. 2. See Ex. 5.
Adequacy Issue No. 8.
Figure F -5A, Chief Portal, Little Deadwood Gulch Reclamation Topography,
indicates a near vertical highwall, approximately 30 foot high, which is in conflict with
the 2H:1V permit conditions imposed in Exhibit 6.5. Additionally, Figure F -5A indicates
the mine debris, inappropriately placed in Little Deadwood Gulch and subject of
Violation MV- 2010 -020, will remain as a permanent fill in the channel, which is in
conflict with the proposed Reclamation Plan.
The Applicant has requested to resolve the issue through a follow -up Technical
Revision and/or Amendment process subsequent to the conditional approval of CN -01.
Response to Adequacy Issue No. 8.
Wildcat addressed the highwall at the Chief Portal in its September 9, 2011
Response to Adequacy Issue No. 5 of the Fifth Adequacy Letter, in which Wildcat
committed to perform a geotechnical stability analysis to demonstrate the stability of the
reclaimed surface of the highwall at the Chief Portal. See Response to Adequacy Issue
DEN 97,629,117v1 10 -11 -11
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