2015-07-21_REVISION - C1982056 ‎(2)‎

• Permit No: C1982056
• IBM Index Class Name: Revision
• Doc Date: 7/21/2015
• Doc Name: Adequacy Review No. 3
• From: DRMS
• To: Twentymile Coal Company
• Type & Sequence: PR10
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

Twentymile Coal, LLC.
Page 6
July 21, 2015
overlying Wadge Seam. These limited mine inflows would be balanced with limited
early dewatering, relative to the volume which can be readily handled by the existing
mine water collection, handling, and recycle systems, with little or no change in the
general operation of these systems.
b. Division's Response: Item resolved.
14. Page 2.05-181.10 appears to be missing several paragraphs under the Railroad section that began
on page 2.05-181.9. Please submit revised pages to include the information that has been deleted.
a. TC'S response: The referenced page has been reviewed and revised to address the
omission and assure continuity of the text description. Revised copies of the referenced
page and associated text pages accompany these responses for replacement in the PAP.
b. Division's response: Revised page 2.05-181.10 has been updated; the second paragraph
under the Fish Creek section indicates the extent of flooding is presented in Exhibit 25Y
for the WMD. The exhibit cited should be Exhibit 25Z. Please revise this page to cite
the correct Exhibit.
15. Revised page 2.05-181.10 omitted a portion of the last sentence of the second paragraph under
the Fish Creek section. The following language has been deleted, "and a maximum of
approximately 39.9 acres would be flooded during high water by mining panels 12- through 16 -
Left." Please revise the page to include the omitted information.
a. TC's response: The referenced page has been reviewed and revised to address this
omission. Revised copies of the referenced page accompany these responses for
replacement in the PAP.
b. Division's response: Item resolved.
16. Revised page 181.11 repeats the last paragraph of the section regarding the Fish Creek Alluvial
Valley Floor and the paragraph regarding Stock Ponds on revised page 2.05-181.10. Please
review these proposed revised pages and remove the appropriate duplicate information.
a. TC's response: The referenced pages have been reviewed and revised to address the
noted duplicate text. Revised copies of the referenced pages accompany these responses
for replacement in the PAP.
b. Division's Response: Item resolved.
New Items 16a. TC submitted revised pages 2.05-181.13, 181.15 and 181.16. The last paragraph
continues from page 181.13 to 181.15. It appears page 181.14 was skipped in the pagination. Please
re -paginate these three pages to 2.05-181.13, 181.14 and 181.15.
17. Revised page 2.05-181.11 indicates for the WCR that the following structures and renewable
resource lands overlie the mine area: Pasturelands, Scott Farmstead, Routt County Road 33
(RCR33), Powerlines, Telephone Lines, Union Pacific Railroad Energy Spur, Stock Ponds and
Irrigation Ditches. Revised Map 23 and the currently approved Maps 23b and 23c do not depict
all of the structures and renewable resources lands within the permit and adjacent area. Rule