Texan brown coal mining
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| Machine guidance systems boost Texan coal Mine |
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| (Reporter 45, Sept 2000) Thanks to a new GPS-based machine guidance system supplied by Leica Geosystems, The North American Coal Corporation has achieved significant savings in annual operating costs at its San Miguel Lignite Mine in South Texas. |
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 Texas brown coal mining (PDF, 133 KB) |
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Leica Dozer 2000
Leica Dozer 2000  more |
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