Going undercover: Cotter Dam's internal rumblings

By John Thistleton
Updated April 18 2018 - 11:10pm, first published September 1 2012 - 3:00am

As the expanded Cotter Dam inches towards completion, three internal galleries deep within the dam wall are crawling with workers wiring, drilling and fitting out a nerve centre which will gather data and help maintain and control the multimillion dollar infrastructure.

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