The national library’s Trove digital service has been highlighting quirky old maps of the continent, starting with a 1920s graphic dividing the country up into the sheep haves and have-nots. Artist Judy Horacek, who illustrated Mem Fox’s children’s classic Where is the Green Sheep?, approved of the idea.

Airlines and their passengers have paid up to $1.6 billion too much for airport access over the past decade due to a textbook example of how not to privatise monopoly assets, the competition regulator said. The Australian Competition and Consumer Commission’s latest report into Australia’s four biggest airports – Sydney, Melbourne, Brisbane and Perth – found that profit margins eased slightly for three of the operators last financial year.

The tiny town of Macarthur swelled on Saturday as it hosted the Music in the Vines Festival and other events. Minnie Walker, 9, from Hamilton, Sybil Fleetwood ,8, from Macarthur, Ned Walker, 12, from Hamilton and Darcy Fleetwood, 8, from Macarthur had fun at the all-ages event.

Workers locked out of a major dairy processing plant in Victoria’s north have resoundingly rejected the factory’s latest EBA offer. More than 70 workers locked out of Parmalat’s Echuca site without pay since January 18 voted against the factory’s “unfair deal” on Friday.