John Brewer Cameron

[2] John Brewer Cameron was born on 31 December 1843 in Kilmonivaig, Inverness, Scotland.

[1] Between 1879 and 1881 the official survey of the 29ºS parallel border between Queensland and New South Wales was conducted by Cameron (employed by the New South Wales Government) and George Chale Watson (employed by the Queensland Government).

Following these observations, the Zero Obelisk was erected on the banks of the Warrego River, just north of the town of Barringun.

This continued until the survey intersected longitude 141º (a point now known as Cameron Corner), a distance of 285 miles 24.96 chains.

[5] Watson withdrew from the survey and Cameron then returned to the Zero Obelisk at Barringun and marked the line to the east in a similar fashion.