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Lake Eyre

Lake Eyre (1) is the dry, 80 km-long central low point (the lowest point on the Australian continent at 16 m below sea level) towards which all rivers in the east-central Australian deserts drain. The Warburton River (2) splits in two as it approaches Lake Eyre from the northeast. In most years flood waters only reach Goyder Lagoon (3) and the numerous dry lakes along its course. The "Warburton Groove" (arrow, and thin, dark line on inset) channels the largest floods from the mouth of the Warburton across the Lake floor. Cooper Creek (4) enters the Lake from the east (top). The Neales and Macumba Rivers brought water to Lake Eyre in the great floods of 1974. Southerly winds drive river sand northwards (left) as numerous linear dunes. Elongated lakes occupy depressions between the dunes. (61B-121-039, 51A-37-27)

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