PERMFILE134253

• Permit No: M2006018
• IBM Index Class Name: Permit File
• Doc Date: 9/14/2006
• Doc Name: Final Adequacy Review Comments
• From: DRMS tas
• To: LaFarge West Inc
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF RECLAMATION, MINING ANp SAFETY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
COLORADO
DIVISION OF
RECLAMATION
MINING
- bc-
SAFETY
September 14, 2006 Bill Owens
Governor
Russell George
Executive Director
Mr. Mark Vigil
Ronald W. Cottony
Lafarge West, 1nC. Division Director
10170 Church Ranch Way, Ste. 200 Natural Resource Trustee
Westminster, CO 80021
RE: Baal Adequacy Review Comments -North Bank Pit, Regular 112 Application
Class: Permit, File No. M-2006-018
Dear Mr. Vigil:
Listed below are final adequacy review comments on the above-captioned Regular 112
application for 237.67 acres located 2.2 miles east of Rifle. Please respond to these concerns on
or before the October 10, 2006 decision date.
6.4.4 EXHIBIT D - Minint Plan
4a. The applicant has proposed a 100-foot setback from the Colorado River to the nearest point
of pit excavation in order to ensure that during high-water events, the river does not capture the
pit. As a point of clarification, the Division considers the setback from the Colorado River to
begin at the top of north bank of the river. Please affirm.
5. The applicant specifies that a primary crusher will be located adjacent to the active mining
area, and then the sand and gravel materials will be transported across the Colorado River via
conveyor to the Mamm Creek operation on the south side of the Colorado River. Please clarify
whether any portion of the conveyor/bridge system will remain during final reclamation. Please
respond.
6.4.7 EXHIBIT G -Water Information
18. The applicant has mentioned that Tamarix and Russian Olive trees exist within the proposed
permit boundary. The Division accepts the applicant's commitment to provide a weed control
plan within 90 days of approval of the Regular 112 Application. As requested previously, the
weed management plan will need to include specific treatment methods/strategies for each of the
following species that occur on site: Tamarix, Russian Olive, field bindweed, Canada thistle, and
Office of Office of
Mined Land Reclamation Active and Inactive Mines