2019-02-15_REPORT - C1982056

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 2/15/2019
• Doc Name: Annual Reclamation Report
• From: Twentymile Coal, LLC
• To: DRMS
• Annual Report Year: 2018
• Permit Index Doc Type: Annual Reclamation Report
• Email Name: TNL
• Media Type: D
• Archive: No

Colorado Division of Reclamation, Mining, and Safety
Annual Reclamation Report for the Year 2018
Foidel Creek CO 82-056 Twentymile Coal, LLC
Mine Name Permit # Permittee
Address: 29515 RCR27 Oak Creek, Colorado 80467
This report, required by Rule 2.04.13, is due by February 15 of each year, or other date, as agreed upon by the
Division. It should include text, discussion, and maps, at a minimum, in addition to any other reclamation monitoring data as
required by the approved permit. The location of the acreage reported under each land status category and year of seeding (if
applicable) should be clearly and accurately identified on a map included with the report.
Land Status Category
Last Years
Cumulative Total
This Calendar Year
Cumulative Total t
Acres disturbed
742.9
10.3
753.2
Acres backfilled and graded
169.2
0.0
169.2
Acres topsoiled
169.2
0.0
169.2
Seeding typically begins the minimum 10 -year reclamation liability period. Please report the acres for each category below.
Do not include acres that have achieved final, Phase III release.
*Include, if necessary, a description of any augmented seeding or cultural practices
For the Entire Life of Mine, the total number of acres disturbed: 753.2 and the total number of acres:
Phase I released 14.3 Phase II released
For Mines in Permanent Cessation
Phase III released 0
Total acreage in facilities subject to reclamation but yet to be completed: N/A
For Government Performance and Results Act
Acreage in long-term mining or reclamation facilities: 589.6 (from 2017 ARR Disturbed Acreage — "Active")
Acreage in active mining areas: N/A
' Excludes acres where Phase III release has been achieved
2 Includes haul and access roads; temporary dams and impoundments; permanent dams and impoundments; diversion and collector ditches, water and air
monitoring sites; topsoil stockpiles; overburden stockpiles, repair, storage and construction areas; office area, repair shops, and parking; coal stockpiles,
loading, and processing areas; railroads; coal conveyors; refuse piles and coal mine waste impoundments; head -of -hollow fills; valley fills; ventilation
shafts and entryways; and noncoal waste disposal area (garbage dumps and coal combustion by-products disposal areas)
' Includes pits, topsoil stripped areas in advance of pits, and spoil not backfilled and graded
Last Years
Cumulative
This Calendar Cumulative
10 years or less
Greater than
Total
year Total t
10 years t
Acres seeded*
169.2
0,0 169.2
138.0
31.2
*Include, if necessary, a description of any augmented seeding or cultural practices
For the Entire Life of Mine, the total number of acres disturbed: 753.2 and the total number of acres:
Phase I released 14.3 Phase II released
For Mines in Permanent Cessation
Phase III released 0
Total acreage in facilities subject to reclamation but yet to be completed: N/A
For Government Performance and Results Act
Acreage in long-term mining or reclamation facilities: 589.6 (from 2017 ARR Disturbed Acreage — "Active")
Acreage in active mining areas: N/A
' Excludes acres where Phase III release has been achieved
2 Includes haul and access roads; temporary dams and impoundments; permanent dams and impoundments; diversion and collector ditches, water and air
monitoring sites; topsoil stockpiles; overburden stockpiles, repair, storage and construction areas; office area, repair shops, and parking; coal stockpiles,
loading, and processing areas; railroads; coal conveyors; refuse piles and coal mine waste impoundments; head -of -hollow fills; valley fills; ventilation
shafts and entryways; and noncoal waste disposal area (garbage dumps and coal combustion by-products disposal areas)
' Includes pits, topsoil stripped areas in advance of pits, and spoil not backfilled and graded