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The GNRBA is the designated Recognised Biosecurity Group for the Goldfields Nullarbor region. The GNRBA is the largest biosecurity region in Western Australia, covering an area of 933,814 square kilometres.
The GNRBA is the designated Recognised Biosecurity Group for the Goldfields Nullarbor region. The GNRBA is the largest biosecurity region in Western Australia, covering an area of 933,814 square kilometres.