2012-05-30_PERMIT FILE - C1981012A ‎(2)‎

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 5/30/2012
• Section_Exhibit Name: Section 2.05 Operation and Reclamation Plan
• Media Type: D
• Archive: Yes

• the East River Crossing, and the access roads to the West Portal and East Portal permit boundaries. The
West Portal access road is also a recorded right -of -way granted to the Division of Wildlife for access to
their properties couth of the mine property.
These facilities are shown on Map 15 Surface Disturbance /Post Mining Land Use East Portal and
Map 16 Surface Disturbance /Post Mining Land Use West Portal.
(c) Backfilling and Grading
Map 17 — Post Mining Topography and Cross Sections, shows the approximate final surface
configuration for the New Elk Mine facilities. Map 17 shows the post mining topography and cross
section in the West Portal and East Portal areas. These areas are where either benches or cut slopes exist
and will require grading upon final reclamation.
The West Portal, refuse and silo areas shown on cross section A -A', B -B', C -C' and E -E' respectively,
can be graded to match the surroundings with a balance of eart. The West Portal fan area will require
some fill which will consist of demolition debris from the West Portal Industrial Building covered with
fill material from the slope south of the Industrial Building. The non -toxic cover material required to
complete the final reclamation of the Development Waste pile will come from the East Portal bench area
south of the coal lab.
The post mining cross sections for the substation cut area planned for the rock dust bin, and compressor
building are shown in Figure 13a. The area cut material will be relocated to the fill areas at the East
Portal, graded and reclaimed to approximate original contours. The West Portal, refuse and silo area have
been regraded and reclaimed with the exception of the fan and fan housing.
• The operational and post mining cross sections for the Bates Portal cut area and haul road are shown in
Figure 13b. Fill material to return the area to approximate original contour will be obtained from the
material excavated which is stockpiled in subsoil stockpiles no. 1, 2 & 3.
Final grading will be the means by which natural drainages intersecting the disturbed area will be
continued through the area. Map 17 Post Mining Topography and Cross Sections, shows the drainages
that will be established during final grading. Map 13B Post Mining Topography Drainage Basins,
shows the associated basins that the drainages will handle. Calculated discharges in these drainages for
the 100 -year 24 -hour storm event were provided in Exhibit 19 — Hydrologic Balance of Surface
Runoff. Design criteria for these drainages are also provided. The RDA final configuration is shown on
Figure 6 Final Configuration and Figure 11 Cross Section A -A' Final Configuration. As requested
by the Division, the operator commits to obtaining the flattest possible grades on those areas which have
the potential for flood irrigation.
(d) Topsoil Removal, Storage and Redistribution
Section 2.05.3(5) discusses topsoil removal. Topsoil at the New Elk Mine will be stored in stockpiles.
The location of the theses stockpiles is shown on Map 11- Sheet 3 East Portal Facilities. Topsoil piles
will be constructed in an oval shape with the top of the pile leveled. A containment ditch will be
constructed around each pile. Topsoil piles will be marked as such and seeded with the approved
rangeland seed mix (Reference Table 26).
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