The catchment occupies an area of 7,913 square kilometres ( 3,055 sq mi ) .
The catchment is situated between the Buckingham River catchment to the north , the Walker River catchment to the south and the Goyder River catchment to the west .
The catchment occupies an area of 7,913 square kilometres ( 3,055 sq mi ) and is situated between the Buckingham River catchment to the north , the Walker River catchment to the south and the Goyder River catchment to the west .