Researchers established that Lake Mungo's high water mark was five metres higher than previously realised, and results of an international study has revealed that the iconic lake situated 90 kilometres north-east of Mildura, was actually a mega-lake, almost 20 per cent bigger than thought before. "Traces of people's activities are actually embedded in sediment, so that tells us that people were relying on watercraft to get around to exploit what was on the island in terms of animals to hunt," said La Trobe University archaeologist Nicola Stern. [node:read-more:link]