2020-11-23_GENERAL DOCUMENTS - C1982056

• Permit No: C1982056
• IBM Index Class Name: General Documents
• Doc Date: 11/23/2020
• Doc Name Note: Findings & Cost Estimate
• Doc Name: Proposed Decision and Findings of Compliance
• From: DRMS
• To: Twentymile Coal, LLC
• Type & Sequence: MT8
• Permit Index Doc Type: Findings
• Email Name: TNL
• Email Name: JDM
• Media Type: D
• Archive: No

Midterm Review MT8
Foidel Creek Mine
C-1982-056
This document presents the results of the Midterm Permit Review of the Twentymile Coal Company,
LLC's(TCC)Foidel Creek Mine. The Colorado Division of Reclamation,Mining and Safety(Division)
conducted this review for the purpose of fulfilling the requirements of the Colorado Surface Coal Mining
Reclamation Act and the Regulations of the Colorado Mined Land Reclamation Board for Coal Mining.
This Midterm Review was conducted to fulfill the requirements of Sections 2.08.3,2.06.2(10),
2.06.3(4)(a),2.06.5(3),2.06.7(5)and 3.02.2(4).
Section 2.08.3 of the Regulations requires that the Division conduct a review of each permit issued,prior
to its midterm. Based on this review,for good cause shown,the Division may require reasonable
revisions or modifications of the permit provisions to ensure compliance with the Act and Regulation.
Section 3.02.2(4)requires that the Division review the amount of the bond and the terms of acceptance of
the bond every 2 '/2 years.
Sections 2.06.2(10),2.06.3(4)(a),2.06.5(3) and 2.06.7(5)require that experimental practices,mountaintop
removal variances,variances from approximate original contour(AOC) for steep slope mining and
variances from contemporaneous reclamation for combined surface and underground mining,
respectively,be reviewed by the Division where applicable during the Midterm Review. Of these,the
Foidel Creek Mine permit includes variances from contemporaneous reclamation for combined surface (a
historic surface mining operation,Colorado Yampa Coal Company Permit C-1981-071,incorporated into
the permit) and(current)underground operations.
This Midterm Review consisted of a detailed review of the following document:
• The Foidel Creek Mine permit application,including stipulations and responses
• All revisions made to the permit since the last permit renewal(RN-7)
• The Foidel Creek Mine annual reclamation and hydrology reports
• Bond surety and reclamation cost estimate
• The Division findings documents and previous Midterm Reviews
• The Division's inspection reports
• Any notices of violations since the last permit renewal(RN-07)
SECTION I—HISTORY
The Foidel Creek Mine is located in Routt County,approximately 22 miles southeast of the town of
Steamboat Springs,Colorado. The Foidel Creek Mine is an active underground mine utilizing longwall
mining operations and using continuous miners for entry and development work. The permit area
encompasses approximately 22,647 acres. Mine-related facilities result in approximately 745.52 acres of
surface disturbance. Approved surface disturbances and areas to be undermined,combined,total
approximately 19,996 acres.
Foidel Creek Mine -2- 11/23/2020