REV00594

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 7/25/2006
• Doc Name: Request for Support ‎(Memo)‎
• From: Byron Walker
• To: Jim Stark
• Type & Sequence: PR2
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF RECLAMATION, MINING AND SAFETY
Department of Natural Resources
1313 Sherman 6t., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
COLORADO
OIVI SION OF
RECLAMATION
MINING
- &-
SAFETY
Interoffice MEMORANDUM BillOwens
Governor
Russell George
to: Jim Stazk (and by e-mail) Executive Director
from: Byron G. Walker Ronald W. Cottony

cc: Division Director
(e-mail) Sandy Brown, Dan Hernandez, Kent Gorham, Mike Boulay, Dapawral Resource Trustee
Matthews, Johanna Cramer
subject: Request for Support, PR-2, C-1980-019
date: July 25, 2006
September 19, 2006
Supplemental information is edited herein (in red) to my July 25, 2006 response to your request
for support in your interoffice memorandum of 21 July 2006.
Rule 4.03-Roads. The roads aze identified as exempt from the rule (see page 78, line 23). No
designs were submitted for review. As we discussed, there may be haul roads to spoil storage
piles, topsoil storage piles, etc., that aze not in the pit or disturbed area. The term "road" does not
include routes of travel within or adjacent to the immediate mining pit or within spoil or coal
mine waste disposal areas [Rule 1.04(111)]. The West Taylor Fill, the East Taylor Fill, and the
Section 16 temporary fill all appeaz to be exempt of road design (see Map 23A, 6/9/06). In
addition, routes to the topsoil storage areas would also be exempt (see Map 28B, 6/28/06).
However, the haul road for topsoil from the footprint of the west fill may not be within or
adjacent to the immediate mining pit, and this haul road might require design. There are likely to
be access roads to sedimentation ponds. These designs need to be submitted in accordance with
Rule 4.03.2. A suggest request of the applicant is: Please include a haul road design for
hauling of topsoil from the west excess spoil area to the topsoil storage area, and for access
road designs to sedimentation ponds (Rule 4.03).
Rule 4.06.3 -Diversions. Diversions (interceptor ditches and post-mining drainages) are located
in plan view on Map 41A. Profiles are located on Map 33B. Text is on page 78. Designs for these
features are reported as presented in Exhibit 7, Item 20 (page 78, lines 34 and 35). The Colowyo
letter of June 30, 2006 states that Exhibit 7, Item 20, is to be supplied under separate cover.
Exhibit 7, Item 20, was found in Vohune 2F. Presented therein aze SEDCAD runs for Ponds 21,
28, 29, and West Taylor (the table of contents is in error).
You have asked Kent to review the SEDCAD runs, but I offer my concerns from a preliminary
review of the SEDCAD run for Pond 29. Reference the SEDCAD run for Pond 29, Q10. Two
subwatersheds are identified. Subwatershed #1 was assigned a curve number of 91, but is
described as forest with heavy ground litter (page 10). The number is probably right, the
description probably in error. Subwatershed #1 (interpreted as the reclaimed disturbed area), in a
Office of Office of
Mined Land Reclamation AQive and InaRive Mines