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MINING METHOD MONDAY - LONGWALL STOPING (METALLIFEROUS)!!

After starting an overhand stope, the shape in which the back is carried is often of prime importance. Position A in the figure illustrates the method of carrying a flat or longitudinal back (the term long-wall is used sometimes when the vein lies nearly flat). In this method the benches or breasts are frequently made of a height sufficient to allow of a square set being placed. This is done at Butte and it is often referred to as breast stoping - 911 Metallurgist.

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