Slide 4 - Chain Valley Colliery Mine Workings Map adjacent Wallarah & Moonee Colliery Slide 11&12 - 86.2m Miniwall face equipment detail Slide 14 Miniwall Production tonnages & retreat distances Slide 15 Shears per shift Slide 16 Total coal production - 2016 = 122 staff 10,000 tonnes/man year.
********* Its moved on a bit since 1997-1998.
Looks like the CVC Miniwall Operation in Fassifern Seam with 200-230m cover works better at CVC than it did at Moonee in the Great Northern Seam ie no reported goaf hanging up and subsequent wind blast