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Definition of opencast
A working in which excavation is performed from the surface. Commonly called open pit.
Ref: Webster 3rd
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Current server date and time: 22nd May 2013 15:23:14
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Live Oak Mine, Green Mountain, Green Mountain District (Ben Hur District), Mariposa Co., California, USA
Chester S. Lemanski, Jr.
, 22nd May 2013 15:12:58