Soil [and timber density] map of Bogan-Macquarie Locust Outbreak Area. (Scale 1:126,720 / 
Chinnick, L. J.
Cameron, B. E.
[Melbourne] :  C.S.I.R.O., 
1971.
C.S.I.R.O. Division of Entomology, Technical Paper no. 12.
Inset: Sheet index map.