2010-12-27_REVISION - C1981019 ‎(12)‎

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 12/27/2010
• Doc Name: 3rd Completeness Review
• From: DRMS
• To: Colowyo Coal Company
• Type & Sequence: PR3
• Email Name: JHB
• Media Type: D
• Archive: No

Rule 2.03.5 — Compliance Information
3. This item is considered complete (8 April 2010). The Division agrees that the
ownership and controller information required by Rule 2.03.5 was updated with the
approval of Minor Revision 98 (proposed decision date of 30 October 2009). Based
on the timing of the responses to this incompleteness letter and the length of the PR-
03 review the Division may request that this information be updated again.
Rule 2.03.12 — Newspaper Advertisement and Proof of Publication
4. This item is considered complete. The proposed public notice for PR -03 is included
at the end of Volume 15 as Figure 2.03.12 -2. Colowyo has amended the proposed
public notice as requested.
Rule 2.04.3 Site Description and Land Use Information
5. This item is considered complete. Colowyo has provided updated permit pages
Collom -Rule 2, pages 18 -20 and Map 17. This information provides minimal fish
and wildlife information required by Rule 2.04.3. Colowyo has also included an
updated pre and post- mining land use of fish and wildlife habitat (in addition to
rangeland) on Map 17.
Rule 2.04.6 — Geology Description
6. This item is considered complete (8 April 2010). While the Division still has
questions regarding the Collom area lithology and the generalized stratagraphic
columns, these questions will be handled in the technical adequacy review.
7. This item is considered complete (8 April 2010). Colowyo presented the requested
data in Exhibit 6, Item 10. The Division may have additional questions regarding the
technical adequacy of the materials presented.
8. This item is considered complete. Colowyo has provided the requested coal seam
quality data, including a breakdown of the types of sulfur (total, sulfate, pyritic and
organic). This information was submitted under a separate cover and is considered
confidential.
Rule 2.04.7 — Hydrology Description
9. This item is considered complete (8 April 2010). The Division would like to remind
Colowyo that pursuant to Rule 2.04.7(1)(iii), Colowyo will be required to reinitiate
groundwater monitoring at least one year prior to commencing the mining operations
associated with the Collom project. This includes any road or pond construction and
topsoil salvaging operations.
Colowyo Mine C- 1981 -019 page 2 of 7
Permit Revision 03 — Collom Permit Expansion
8 April 2010