2012-09-19_PERMIT FILE - X201222311 ‎(4)‎

• Permit No: X201222311
• IBM Index Class Name: Permit File
• Doc Date: 9/19/2012
• Doc Name: Final Surface Access Agreement #4 ‎(Email)‎
• From: Oxbow Mining, LLC
• To: DRMS
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

Exploration License No. COC -749
Site Reclamation:
Upon completion of drilling and related activities, all drill holes will be backfilled, sealed and
abandoned. During drilling, fluid return will be monitored to identify the depth and extent of any water -
producing zones. Upon abandonment, in accordance with Drill Hole Plugging Procedures agreed to by
BIN and CDRMS, bentonite chips, bentonite plug gel or similar seal will be established in the bottom of
the hole, extending to within ten feet of the surface. A cement plug will be set in the hole ten (10) feet
below the ground to within three (3) feet of the surface. Accumulations of drill cuttings and mud will be
backfilled into and buried in the mud pit (if any) or otherwise buried.
All trash and debris will be removed from drill sites for disposal. Excavations, including mud
pits, will be backfilled. Where mud pits are necessary, they may be temporarily fenced and allowed to
dry and/or backfilled with drill cuttings and/or previously excavated material. During backfilling, the
material will be mixed and compacted as it is replaced, by running the equipment over the backfilled area
during placement of successive lifts. Following backfilling, disturbance areas will be graded to their
approximate original configuration and surface drainage re- established. Any salvaged topsoil materials
will be re- spread onto the regraded surface and reseeding of the areas (pads and roads) will take place
using the following seed mixture. A metal post with tag will be placed in the vicinity of the hole as a
permanent marker.
SPECIES
Western Wheatgrass var Arriba
Slender Wheatgrass var San Luis
Mountain Brome var Bromar
Big Bluegrass var Sherman
Bottlebrush Squirreltail
Canada Wild rye
American Vetch
Table 2
Seed Mix for Oakbrush 'Loge
( source: BLM - UFO)
% of Mix PLS #/Acre
12:
12
12
12,
12
12.
6
8.0
5.5
12.5
1.5
8.0
7.0
10.0
0.96
0.66
1.5
0.18
0.96
0.94
0.6
0.09
Rocky Mountain Penstemon 6 1.5
Western Ya rrowv 6 1.0
Total application rate for incorporated seed
Seed application rates will be doubled if aerial broadcast methods are used.
5.95 # / acre
Seed mix shown in Table 2 above is a standard mix. This mix may vary on private surface
depending upon seed mixes agreed to with each surface landowner. Seeding will take place in the fall or
early spring. Periodic monitoring of re- seeding efforts and weed control will occur for a couple of field
seasons to determine stand success, or until vegetation sustainability allows for Bond release of each
drilling sites disturbance.
Estimated amounts of coal to be removed during exploration
During the exploration drilling process an estimated 8 tons of coal will be recovered from this
area. This coal will occur in the form of coal core that is recovered, so that it can be analyzed to
determine its physical, chemical, and energy related properties, this will allow for the determination of
whether it is of sufficient quality and quantity to allow Oxbow to apply for a coal lease in this area.
Coal tonnages removed were calculated by estimating the volume of coal to be removed from each
exploration drillhole, times the typical weight of coal at 80 # /cu. ft. as shown below:
Volume of coal removed: V= ir 11
r = 3 inches, h = 12 ft, ave. per seam assume 2 seams of coal encountered.
April 10, 2012