The NSW/Queensland Border: Cameron's One Ton Post →
Mungindi, NSW: John Brewer Cameron planted this post here in 1882, to mark the transition point of the NSW/Queensland border from the 29th parallel to the Barwon/Macintyre/Dumaresq rivers.
Mungindi: http://www.mungindi.com.au
Mungindi (Wikipedia): https://en.wikipedia.org/wiki/Mungindi
One Ton Post (Wikipedia): https://en.wikipedia.org/wiki/Cameron...