Yancoal renews partnership with Westpac Rescue Helicopter Service
https://www.yancoal.com.au/content/Media/100822%20Yancoal%20Australia%20and%20WRHS%20partnership.pdf
https://www.yancoal.com.au/content/Media/100822%20Yancoal%20Australia%20and%20WRHS%20partnership.pdf