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Revised 11/85 <br />• If there is movement in the landslide area, it will be in the best <br />interest of Bear Coal Company to carefully evaluate the movement and <br />determine the best course of action. Any evaluation which may be <br />required will be completed with the cooperation and consultation of the <br />Division. <br />Barrier Pillars <br />Barrier pillars are designed based on the experience gained by Bear Coal <br />during its more than 50 years of mining and most recently, its <br />experience in the Bear No. 1, No. 2, and No. 3 mines. <br />Barrier pillars are designed to protect men and equipment, act as a <br />partition in separating mine panels, to support main entries, and to <br />serve as a firewall in case a panel were to catch fire. The barrier <br />pillars are also designed to achieve the maximum recovery of reserves <br />without endangering the mine employees. <br /> <br /> <br />_pg_ <br />