elearn site

1. The Simpson Desert lies   Lake Eyre in the south, the Macdonnel Ranges in the north, the Mulligan and the Diamantina Rivers in the east, and the Macumba and Finke Rivers in the  . The first European entered the Simpson Desert in 1845. But the desert remained a   until Madigan made an aerial   in 1929. He named the desert after Simpson, President of the South Australian Branch of the Royal Geographical Society of Australia.
In  , Colson and an Australian Aborigine took camels across the desert. They travelled along the   of South Australia and the Northern Territory. Three years later Madigan led a scientific expedition across the sand dunes on a more northerly  . Colson and Madigan both travelled eastward   the Simpson Desert.