The principal deposits of copper are in the central parts between the Macquarie, Bogan and Darling rivers.
2
The principal deposits of copper in New South Wales are found in the central part of the state between the Macquarie, Darling and Bogan rivers.
3
Those on the right bank all come from Queensland and bring down enormous volumes of water in flood time; on the left bank the most important tributaries are the Gwydir, Namoi, Castlereagh, Bogan and Macquarie.