UNITED STATES

DEPARTMENT OF THE INTERIOR

This mining plan approval document is issued by the United States of America to:

Canyon Fuel Company, LLC

HC 35 Box 380

Helper, UT 84526

for a mining plan modification to mine within new Federal Coal Lease UTU-77114 at the 

Skyline Mine. This mining plan approval supplements all previous mining plan approvals for 

the Skyline Mine. Canyon Fuel Company, LLC is hereinafter referred to as the operator. The 

approval is subject to the following conditions:

l. Statutes and Regulations. This mining plan approval is issued pursuant to Federal Coal 

Lease UTU-77114; the Mineral Leasing Act of 1920, as amended (30 U.S.C. 181 et seq.); 

and in the case of acquired lands, the Mineral Leasing Act for Acquired Lands of 1947, 

as amended (30 U.S.C. 351 et seq.). This mining plan approval is subject to all 

applicable laws and regulations of the Secretary of the Interior which are now or hereafter 

in force; and all such laws and regulations are made a part hereof. The operator shall 

comply with the provisions of the Federal Water Pollution and Control Act (33 U.S.C.

1251 et seq.), the Clean Air Act (42 U.S.C. 7401 et seq.), and other applicable Federal 

laws.

2. This document approves the mining plan modification for Federal Coal Lease UTU77114 at the Skyline Mine and authorizes coal development or mining operations on the 

Federal leases within the area of mining plan approval. This authorization reaffirms the 

approved mining plan area located within Federal coal lands.

Township 13 South, Range 6 East, Salt Lake Meridian 

Section 21, Lots 1-4, E1⁄2E1⁄2;

Section 28, Lots 1-8, S1⁄2NW1/4, SW1⁄4; and

Section 33, E1⁄2, E1⁄2W1⁄2, NW1⁄4NW1⁄4, SW1⁄4SW1⁄4

Township 14 South, Range 6 East, Salt Lake Meridian

Section 4, Lots 1-4 S1⁄2N1⁄2, S1⁄2; and

Section 5, Lots 1-4 S1⁄2N1⁄2, S1⁄2

These lands encompass approximately 2,692 Federal coal acres and are shown on the 

mining plan approval area map attached hereto as Attachment A.

3. The operator shall conduct coal development or mining operations only as described in 

the complete permit application approved by the Utah Division of Oil, Gas and Mining,

except as otherwise directed in the conditions of this mining plan approval.
Mining Plan Modification for Federal 

Lease UTU-77114 at the Skyline Mine Page 2 of 2

4. The operator shall comply with the terms and conditions of the leases, this mining plan 

approval, and the requirements of the Utah Permit No. C/007/0005 issued under the Utah

State program, approved pursuant to the Surface Mining Control and Reclamation Act of 

1977 (30 U.S.C. 1201 et seq.).

5. This mining plan approval shall be binding on any person conducting coal development 

or mining operations under the approved mining plan and shall remain in effect until 

superseded, canceled, or withdrawn.

6. If, during mining operations, unidentified prehistoric or historic resources are discovered, 

the operator shall ensure that the resources are not disturbed and shall notify the Utah

Division of Oil, Gas and Mining and the Office of Surface Mining Reclamation and 

Enforcement. The operator shall take such actions as are required by the Utah Division 

of Oil, Gas and Mining in coordination with the Office of Surface Mining Reclamation 

and Enforcement. 

7. The Secretary retains jurisdiction to modify or cancel this approval, as required, on the 

basis of further consultation with the U.S. Fish and Wildlife Service pursuant to section 7 

of the Endangered Species Act, as amended, 16 U.S.C. 1531 et seq. 

Attachment