Two type 4200 SM Wirtgen surface miners are bringing light to South Texas and Northern Mexico. A 4200 SM is extracting sub-bituminous coal at an open cast mine owned by the North American Coal Corp. in Eagle Pass, Texas/USA – right on the border with Piedras Negas, Coahuila/Mexico (Figure 1). The extracted coal is then transported over the border by ...
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The New Acland Mine (NAC), located adjacent to the township of Acland (Queensland), is part of the Australian based New Hope Group. Since opening of the mine, coal and interburden have been extracted by means of bulldozers fitted with ripper teeth and assisted by wheel loaders. However, a sharp drop in coal prices compelled the NAC management to look for ...
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