2016-05-02_REPORT - C2009087 ‎(6)‎

• Permit No: C2009087
• IBM Index Class Name: REPORT
• Doc Date: 5/2/2016
• From: Twentymile Coal, LLC
• To: DRSM
• Annual Report Year: 2015
• Permit Index Doc Type: Annual Reclamation Report
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

2015 DISTURBANCE AREA
In 2015, no additional acres were permitted to be disturbed, and no new disturbance occurred. The
annual disturbance status is reflected on the CDRMS Annual Report Form and is further described in
the text of this report. Refer to the 2015 Annual Report maps for the extent and status of the existing
mine disturbance.
BACKFILLING AND GRADING
In 2015, no new areas were backfilled or graded.
SOIL MATERIAL MONITORING
PSCM is required by Permit C-09-087 to monitor soil handling operations for Seneca II Mine,
including soil salvage, storage, and redistribution.
• Soil Recovery Documentation
No soil material was salvaged during 2015
• Soil Pits - Soil/Spoil Fertility and Quality
No new soil material placement occurred in 2015; therefore, no soil pits were established
and no soil/spoil quality samples were collected or analyzed.
• Soil Balance
No soil salvage occurred in 2015. Therefore, as for the two previous years (2013 and
2014), the current soil material balance reflects an average soil replacement depth of 2 feet
(24 inches).
• Soil Salvage, Storage and Replacement
No soil material was replaced in 2015. Stockpile A contains 91.2 acre-feet (147,150 cy) of
soil material.
2015 ARR 2
PHASE I
PHASE II
PHASE III
FULL BOND
REF
REMAINING
REMAINING
REMAINING
RELEASE
PRE -LAW AREAS
SL -02 SC
0
0
0
68.8
INTERIM/PERMANENT PROGRAM AREAS
SL -
01/03/04
SII
50.2
99.0
680.4
1,026.0
SL -01/03
SC
NEW PERMANENT PROGRAM AREAS
68.8
68.8
68.8
0.0
TOTALS
119.0
167.8
749.2
1,094.8
2015 DISTURBANCE AREA
In 2015, no additional acres were permitted to be disturbed, and no new disturbance occurred. The
annual disturbance status is reflected on the CDRMS Annual Report Form and is further described in
the text of this report. Refer to the 2015 Annual Report maps for the extent and status of the existing
mine disturbance.
BACKFILLING AND GRADING
In 2015, no new areas were backfilled or graded.
SOIL MATERIAL MONITORING
PSCM is required by Permit C-09-087 to monitor soil handling operations for Seneca II Mine,
including soil salvage, storage, and redistribution.
• Soil Recovery Documentation
No soil material was salvaged during 2015
• Soil Pits - Soil/Spoil Fertility and Quality
No new soil material placement occurred in 2015; therefore, no soil pits were established
and no soil/spoil quality samples were collected or analyzed.
• Soil Balance
No soil salvage occurred in 2015. Therefore, as for the two previous years (2013 and
2014), the current soil material balance reflects an average soil replacement depth of 2 feet
(24 inches).
• Soil Salvage, Storage and Replacement
No soil material was replaced in 2015. Stockpile A contains 91.2 acre-feet (147,150 cy) of
soil material.
2015 ARR 2