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NOTES ON NEW ZEALAND.
177
in the Bay of Islands, north of Auckland, where the Union steamships generally coal when in those latitudes.
These black coals are generally from 18s. to 20s. per ton, according to the distance of transport. There are in the Malvern Hills, about forty miles from Christchurch, large quantities of brown coal, or lignite, which, though it cannot compare with the black coal already mentioned, either for steam production or general usefulness, is found to be very good for household purposes when mixed with a better quality; it will keep alight for a considerable time, but if used for engines it is
