As in any successful business venture, costs have to be kept as low as possible, and using equipment that can do the most work at the least cost is key to achieving this goal. Earthmoving, in ...

Watch this documentary about two of the biggest draglines ever built. The Captain was the first of the big draglines, built by Marion Power Shovel for the Captain Mine in Illinois. It was then ...

The mining of phosphate rock by strip mining methods is dependent on the effectiveness of a great many managerial decisions which affect the pattern of operations. A mathematical analog was developed ...