Reference
Roberts J., Engel B., Lennox M., and Chapman J., (editor), 1991, Dungog 1:100,000 Geological Sheet 9233, 1st edition. Geological Survey of New South Wales, Sydney.
Reference
Roberts J., Engel B., Lennox M., and Chapman J., (editor), 1991, Dungog 1:100,000 Geological Sheet 9233, 1st edition. Geological Survey of New South Wales, Sydney.