Strip-Mining Coal in the Heart of Texas - Scientific American Blog Network - Strip mine cranes
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A dragline excavator is a piece of heavy equipment used in civil engineering and Surface mining. Draglines fall into two broad categories: those that are based on standard, lifting cranes, and the heavy units which have to be built on-site. Most crawler cranes, with an added winch drum on the front, can act as a. Big Muskie was a coal mining Bucyrus-Erie dragline excavator owned by the Central Ohio Coal coupled with regular yearly increases in electricity costs and continued public opposition to strip mining operations in Ohio, eventually made.