Highwall mining is an efficient, proven and durable method for mining coal from exposed horizontal seams — producing an average of 110 000 tonnes (120,000 tons) of coal per month in coal seams up to 300 m (1,000 ft) in seams dipping up to 8 degrees — recovering up to 70 percent of in-place coal.
Highwall Maximize your storage space with the Highwall. The tall barn-style roof offers plenty of head room, perfect for vertical storage of bicycles or sports equipment. The Highwall comes complete with a loft on each end of the building for even more storage flexibility. Add windows or doors on any wall for added convenience.
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Highwall. Problem: With the cutter head of the continuous miner deep within a highwall entry, often conditions are poor and the operator has very limited visibility. The operator experiences increase in out-of-seam materials being mined. In some cases the operator must leave a set depth of coal at the roof.
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