PERMFILE109160

• Permit No: M2002078
• IBM Index Class Name: Permit File
• Doc Date: 8/5/2003
• Doc Name: 2nd Adequacy Review Comments
• From: DMG
• To: Coulson Excavating Company Inc.
• Media Type: D
• Archive: No

STATE OF COLORADO
AIQ6 GEaL~Y
Department of Natural Resources
1313 Sherman St., Room 215 C O L O RA D O
Denver, Colorado 80203 DIVISION o r
Phone: [phone] M I N ES RA L S
FAX: [phone] G E O L O G Y

August 5, 2003 REC LAMgTION•NINING
SAFETY•s QENCE
Bill Owens
Mr. Ken Coulson Governor
Coulson Excavating Company, Ir1C. Greg E. Walther
Executive Director
3609 County Road 13
Loveland, CO 80538 Ronald w. cottony
Division Director
Natural Resource Trustee
RE: 2°s Adequacy Review Comments -Stroh Pit, Regular 112 Application
Class: Permit, File No. M-2002-078
Deaz Mr. Coulson:
Listed below aze remaining adequacy review comments on the above-captioned Regulaz 112 Application
for 119 acres that must be resolved to the satisfaction of the Division on or before August 12, 2003.
6.4.5 EXHIBIT E -Reclamation Plan
7. The applicant has indicated that of the 966,469 cubic yards of overburden produced from the southern
cells, 240,091 cubic yazds will be backfilled to reduce slopes from 0.5:1 to 3:1 and 726,377 cubic yazds
will be removed from the site. The applicant has also indicated that the average volume of overburden to
be stockpiled for each cell in the south zone is approximately 322,156 cubic yazds and that no more than
approximately 340,000 cubic yazds of stockpile material will occur at any given time. Please clarify the
maximum volume of overburden to be stockpiled on site and eventually bacldlled into the pit. This
volume and the cost for backfilling into the pit will need to be included in a revised edition of Exhibit L,
Reclamation Cost. The volume expressed will also become an enforceable component of the mining and
reclamation plan. Please respond.
8. The applicant mentions that reclamation will consist of creating two (2) lined water storage ponds.
Please respond with the elevation of the expected water line for each pond.
6.4.7 EXHIBIT G -Water Information
11. The applicant has indicated that a temporary substitute supply plan and associated well permit will be
in place prior to mining below the water table in order to demonstrate compliance with Section 3.1.6.
Please commit to the following: Prior to exposure of groundwater at the Stroh Pit, Coulson Excavating
Company, Inc. (operator) will provide the Division written correspondence from the Office of the State
Engineer that verifies all required water permits have been issued, and a signed affidavit from Coulson
Excavating Company, Inc. stating that no groundwater has been exposed at the site prior to issuance of
necessary water permits from the Office of the State Engineer.
Office of Office of Colorado
Mined Land Reclamation Active and Inactive Mines Geological Survey