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Colorado Division of Reclamation, Mining, and Safety
<br />Annual Reclamation Report for the Year 2017
<br />Foidel Creek CO 82-056 Twentymile Coal, LLC
<br />Mine Name Permit # Permittee
<br />Address: 29515 RCR27 Oak Creek, Colorado 80467
<br />This report, required by Rule 2.04.13, is due by February 15 of each year, or other date, as agreed upon by the
<br />Division. It should include text, discussion, and maps, at a minimum, in addition to any other reclamation monitoring data as
<br />required by the approved permit. The location of the acreage reported under each land status category and year of seeding (if
<br />applicable) should be clearly and accurately identified on a map included with the report.
<br />Land Status Category
<br />Last Years
<br />Cumulative Total
<br />This Calendar Year
<br />Cumulative Total t
<br />Acres disturbed
<br />729.0
<br />13.9
<br />742.9
<br />Acres backfilled and graded
<br />121.1
<br />48.1
<br />169.2
<br />Acres topsoiled
<br />121.1
<br />48.1
<br />169.2
<br />Seeding typically begins the minimum 10 -year reclamation liability period. Please report the acres for each category below.
<br />Do not include acres that have achieved final, Phase III release.
<br />*Include, if necessary, a description of any augmented seeding or cultural practices
<br />For the Entire Life of Mine, the total number of acres disturbed: 742.9 and the total number of acres:
<br />Phase I released 14.3 Phase II released 0 Phase III released
<br />For Mines in Permanent Cessation
<br />Total acreage in facilities subject to reclamation but yet to be completed: N/A
<br />For Government Performance and Results Act
<br />n
<br />Acreage in long-term mining or reclamation facilities: 589.6 (from 2017 ARR Disturbed Acreage — "Active")
<br />Acreage in active mining areas: N/A
<br />' Excludes acres where Phase III release has been achieved
<br />Z Includes haul and access roads: temporary dams and impoundments, permanent dams and impoundments; diversion and collector ditches, water and air
<br />monitoring sites, topsoil stockpiles, overburden stockpiles, repair, storage and construction areas, office area, repair shops, and parking, coal stockpiles,
<br />loading, and processing areas; railroads, coal conveyors: refuse piles and coal mine waste impoundments; head -of -hollow fills, valley fills, ventilation
<br />shafts and entryways, and noncoal waste disposal area (garbage dumps and coal combustion by-products disposal areas)
<br />' Includes pits, topsoil stripped areas in advance of pits, and spoil not backfilled and graded
<br />Last Years
<br />Cumulative This Calendar
<br />Cumulative
<br />10 years or less Greater than
<br />Total year
<br />Total'
<br />10 years t
<br />Acres seeded*
<br />121.1 48.1
<br />169.2
<br />138.0 31.2
<br />*Include, if necessary, a description of any augmented seeding or cultural practices
<br />For the Entire Life of Mine, the total number of acres disturbed: 742.9 and the total number of acres:
<br />Phase I released 14.3 Phase II released 0 Phase III released
<br />For Mines in Permanent Cessation
<br />Total acreage in facilities subject to reclamation but yet to be completed: N/A
<br />For Government Performance and Results Act
<br />n
<br />Acreage in long-term mining or reclamation facilities: 589.6 (from 2017 ARR Disturbed Acreage — "Active")
<br />Acreage in active mining areas: N/A
<br />' Excludes acres where Phase III release has been achieved
<br />Z Includes haul and access roads: temporary dams and impoundments, permanent dams and impoundments; diversion and collector ditches, water and air
<br />monitoring sites, topsoil stockpiles, overburden stockpiles, repair, storage and construction areas, office area, repair shops, and parking, coal stockpiles,
<br />loading, and processing areas; railroads, coal conveyors: refuse piles and coal mine waste impoundments; head -of -hollow fills, valley fills, ventilation
<br />shafts and entryways, and noncoal waste disposal area (garbage dumps and coal combustion by-products disposal areas)
<br />' Includes pits, topsoil stripped areas in advance of pits, and spoil not backfilled and graded
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