Sixty-miler

Sixty-miler (60-miler) is the colloquial name for the ships that were used in the coastal coal trade of New South Wales, Australia. The sixty-milers delivered coal to Sydney from ports and ocean jetties to the north and south. The name refers to the approximate distance by sea; the distance, from the Hunter River mouth at Nobbys Head to the North Head of Sydney Harbour, is 64 nautical miles.

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