Please download a copy of In Search of Nobbys’ Tunnels – by Roslyn Kerr, Geologist. Report to Coal River Working Party University of Newcastle, October 2010. (6.2MB PDF) In Search of Nobbys’ Tunnels – by Roslyn Kerr, Geologist. Report to Coal River Working Party University of Newcastle, October 2010. (6.2MB PDF) Thank you to … More In Search of Nobbys’ Tunnels by Roslyn Kerr, Geologist