The Twins, Australia
|Manguari||Box Creek||Anna Creek|
|Coober Pedy||The Twins||Beresford|
This is a very challenging graticule for geohashing as it is largely encompassed by the Woomera Prohibited Area. However, there is a mine site here, Prominent Hill, which can give geohashers access to the region, as well as the Stuart Highway, which runs north-south near the western edge.