The search for a four-year-old boy missing on a remote outback sheep station has entered a fourth day, with police concentrating their efforts on dams and water tanks.

Police and volunteers continue to search for Gus, who has been missing from mid-north South Australia since Saturday.

He last seen on the property about 40km south of Yunta – a township about 300km north of Adelaide – about 5pm on Saturday, September 27.

Gus is described as caucasian with curly blonde hair, and was last seen wearing a grey sun hat, a cobalt blue T-shirt with a yellow minion on the front, light grey pants and boots.

Yorke Mid North Superintendent Mark Syrus told reporters on Monday Gus was a typical adventurous country kid.

“He normally stays within the confines of this area, but who knows what goes thro

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