South Australia contains 324 separate Protected Areas with a total land area of 21,630,995 hectares(21.97% of the state’s area). 18 of these are National parks, totalling 4,337,430 hectares (4.41% of the state’s area).
... Norwegian explorer
Henry Hudson, (died 1570), discovered the Hudson River and sailed up it to Albany, discovered Hudson Bay
Alexander von Humboldt, (1769-1859), ...