2011-03-25_PERMIT FILE - P2011002

• Permit No: P2011002
• IBM Index Class Name: PERMIT FILE
• Doc Date: 3/25/2011
• Doc Name: Technical review letter
• From: DRMS
• To: Colorado Mining Enterprises, LLC
• Email Name: RCO
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF RECLAMATION, MINING AND SAFETY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
March 25, 2011
Mark Cape
Colorado Mining Enterprises, LLC
5967 Harrison Drive, Unit 7
RECEIVED
MAR 311 201
Division of Reclamation,
Mining and Safety
Las Vegas, NV 89120
Re: CME Mineral Prospecting Project, NOI File No. P-2011-002, Technical Review Letter.
Dear Mr. Cape,
COLORADO
D IV IS I ON OF
RECLAMATION
MINING
SAFETY
John W. Hickenlooper
Governor
Mike King
Executive Director
Loretta E. Pineda
Director
This office received the initial technical responses you provided in reply to our letter dated February 4, 2011.
Review of these items indicates that most of the deficiencies identified earlier have been addressed. There are still a
few items that are considered deficient or require clarification; these items appear in the following paragraphs.
Please provide responses to each of the items discussed in the list below:
There will be only one drill hole open at a time, and up to a maximum of ten drill holes eventually drilled in
this project. There is known groundwater in the general location of this project, and though some drill holes
will stay above the groundwater level, the Division considers it prudent to assume that at least one drill hole
will penetrate an aquifer. The bond amount will therefore account for closure of only one open drill hole,
and the closure task will involve sealing it to isolate and protect the aquifer. This will include the use of
bentonite abandonment gel or cement throughout and beyond the saturated column. Please confirm.
2. Since all the drill pads are to be located on hill sides, it is imperative that all drilling fluids are completely
controlled and contained onsite. Upon closure, the drill hole casing, if not pulled, must be cut off below the
ground surface. Please confirm.
3. Please ensure that "general" lithologic and hydrologic records of each drill hole are kept, as well as the
details concerning the closure of each drill hole. The (non-confidential) information will have to be provided
in the permanent drill hole abandonment reports. Please confirm.
4. It was not made clear in past submittals to DRMS that Pad 1 was to be constructed on an old mine dump,
either in the narrative of the plan or on project maps. It was through a copy of information supplied to the
USFS that this office learned of this detail. As discussed previously in regard to construction of Pad 2, this
office cautions the operator to minimize disturbance to previously-mined mineralized materials, so minimize
the chance of offsite impacts of sedimentation and/or mineralization. Please confirm.
5. In the construction of Pad 1, on the uphill side of the dirt road, how much additional cutting into the hill will
be required? Where will the fill material be placed and how will it be stabilized until reclamation?
Office of Office of
Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines