... the side so that large pits do not have to be dug to remove the coal. Factors that affect the success of mining are elements in the process of mining that influence the amount of profit that can be made. For example, the location of a coal-field can make a large difference to a company's profit. If it is near existing consumers of coal, it is likely to make more money than if the coal has to be transported a long way. Similarly, if the reserves of coal in a mine are easy to access i.e. open cast mining can take place; a mining company is likely to be more successful than if the coal reserves are buried deep underground. The grade of coal in a mine will also affect it's success, if it is a high grade with a high energy density the mine is likely to be successful. However, ...

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