Additionally, 26° south also defines an approximately 127 metre section of the Western Australia/Northern Territory border at Surveyor Generals Corner due to inaccuracies in the 1920s for fixing positions under constraints of available technology.[1]
^Porter, John, Surveyor-General of South Australia (April 1990). An Historical Perspective - Longitude 129 degrees east, and why it is not the longest, straight line in the world. National Perspectives - 32nd Australian Surveyors Congress Technical Papers 31st March - 6th April, 1990. Canberra: The Institution: Eyepiece - Official Organ of The Institution of Surveyors, Australia, W.A. Division. pp. 18–24.