The border between South Australia (SA) and Western Australia (WA) at 129° east.
The Western Australian (WA) border, marked on the ground, is not as straight as it looks on a map, as the Northern Territory border with Western Australia and the South Australian border with Western Australia are displaced east-west by approximately 127m. This is due to early astronomical errors within the limits of technology available in the 1920s. Where Western Australia meets the Northern Territory (NT) and South Australia (SA) borders is a 127 metre section that runs east-west along the 26th parallel south latitude (26° south). This 127 metre east-west section is part of the border between Western Australia and the Northern Territory. In June 1968, two monuments were erected to mark each end of this 127 metre sideways section, the easternmost of these concrete border markers, being where all three borders meet, was named Surveyor Generals Corner.
Size: 4288px × 2848px
Location: 129 meridian east longitude Australia
Photo credit: © Duncan Sharrocks / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 129, 129°, australia, blue, border, degrees, east, meridian, sa, sky, south, village, wa, western