Alexander Tolmer was a Police Commissioner, initiator of the gold escorts, and by all accounts a colourful character with a thirst for action and adventure.
Elder Family of Scots merchants and ship owners saw the infant South Australia as an opportunity to expand their business interests. Alexander Lang Elder (1815–1885), the pioneer, arrived in 1839 and established a trading business.
Paradoxically, the only parts of South Australia to experience occasional serious disruption of by flooding are the far distant sparsely populated deserts around Lake Eyre