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Benson Brothers Red Shale Pit <br />DMG 112 Application <br />Exhibit D -Mining Plan <br />progresses. The operation will consist of mining, crushing and stockpiling for 4 to 8 weeks at a <br />time. Then mining and processing will cease until sales deplete the stockpiles enough to <br />require another round of mining and processing. It is expected to take 15 to 20 years to <br />complete mining and reclamation, depending on market conditions. <br />f) The deposit to be mined consists of 10 to 50 foot thick layers of red shale that are often not <br />continuous and are inter-bedded with layers of sandstone and off-color shale that may not be <br />mazketable. We will remove 0 to 10 feet of overburden of debris and soils derived from <br />breakdown of the shale and sandstone. We anticipate mining an average of 20 feet of material <br />over the ] 0 acre area. The stratum immediately below the red shale is sandstone or unbaked <br />shale. <br />g) The primary commodity to be mined is red shale to be used as decorative rock for landscaping <br />and trails. Off color material may be usable as road base or fill material. <br />h) Some of the larger rocks on the surface may be suitable for landscape boulders. <br />