Mechanized Mining as Developed at Princess Colliery, Sydney Mines, N.S.

CIM Bulletin1948
PRINCESS colliery is operated by Old Sydney Collieries, Limited, a direct descendant of the General Mining Association of London, England, which, in the first quarter of the nineteenth century, pioneered in coal mining in Nova Scotia.
Keywords: Coal, coal, longwall, main belt, Princess Colliery, Sydney Main, conveyors, Loading, Mine, Mines, pillar, Pillars, Roadways
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