Lead: On January 20, 1788, six transports delivered 750 convicts to Botany Bay. Sixty-five years and 168,000 prisoners later, the practice of deportation to New South Wales was abruptly terminated.

Intro.: "A Moment in Time" with Dan Roberts.

Content: In January, 1851 Edward Hargraves returned to Sydney, Australia. He had spent some time in the Gold Fields during the first years after its discovery in California. This reminded him of similar geological formations he had noted in territory along the Macquarie River northwest of Sydney two decades before.