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BOWIE RESOURCES, LLC <br />Bowie No. 2 Mine <br />Coal Mine Waste Bank Nos. 1, 2, 3 & 4 Inspections — 4t' Quarter 2013 <br />On December 17, 2013, a visual inspection of the Bowie No. 2 Mine coal mine waste <br />banks was performed by Tamme Bishop. P.E. in accordance with Rule 4.10.2. This <br />inspection includes Gob Pile Nos. 1, 2, 3 and 4. Pile No. 1 is considered inactive. Pile <br />nos. 2 and 4 are essentially one combined pile. Pile no. 3 is located south of Bowie <br />Road. <br />I, J. E. Stover, P.E., have a wide variety of experience in the design and construction of <br />earth fill embankments. I viewed pictures and field notes from the visual inspection. <br />Nothing was observed during the inspection that would indicate the piles have a <br />potential for failure. No seepage was noted at the toe of the piles. The gob disposal <br />areas were dry to damp. All organic material and topsoil has been removed ahead of <br />the waste bank founding. The upper diversion ditches were inspected with no problems <br />noted. The snow cover limited the observation of the ditches. The tree in the east <br />diversion ditch at gob pile #2 noted in the third quarter report had been removed. <br />The first bench east of the haul road is covered with soil. The second bench east of the <br />haul road is mostly covered with a large subsoil pile. Most of the third and forth <br />benches east of the road are covered with soil. <br />Most of the coal mine waste was generated from the preparation plant. Approximately <br />201,147 tons of gob were hauled to the gob piles. All of the gob was hauled to gob pile <br /># 3 during the quarter. Coal mine waste is to be placed in the pile in approximately <br />horizontal lifts no more than 24- inches thick. The coal mine waste is spread and <br />compaction effort is provided by self propelled sheepsfoot compactors. Thirteen (13) <br />compaction tests were performed during the quarter, six (6) at gob pile #2 and seven <br />(7) at gob pile #3. One additional compaction test taken at gob pile #3 on September <br />19, 2013 during the third quarter is reported with this document. All of the tests passed. <br />A test passes if the test attains at least 90% of the maximum dry density attained in a <br />laboratory compaction test in accordance with ASTM D698. There are no outstanding <br />density tests failures at the end of the fourth quarter. <br />The compaction tests at gob pile #2 were for material that was re- handled, placed and <br />compacted. The limited number of compaction tests at gob pile #3 are a result of <br />inclement weather and because the gob material was being spread over a large area <br />which decreased the rate of elevation increase. <br />There is a steep embankment located at the upper end of the gob pile #3 underdrain. <br />The operator is placing the underdrain up this steep slope as it compacts native <br />material to cover the gravel and stabilize the steep slope. The middle central portion of <br />gob pile #2 between benches 3 and 4 have steep slopes. The steep slopes remained stable <br />during the 4th quarter and do not show any signs of instability. There is some end dumped <br />material at the top of gob pile #2 that has steep slopes. The steep slopes on the end <br />-1- <br />