Mechanized Mining as Developed at Princess Colliery, Sydney Mines, N.S.
ROBT. R. DICKSON
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.
Coal, coal, longwall, main belt, Princess Colliery, Sydney Main, conveyors, Loading, Mine, Mines, pillar, Pillars, Roadways