The occurrence of opal at Lightning Ridge and Grawin
Subtitle: with geographical notes on County Finch
By: by J.W. Whiting and R.E. Relph
Contributors: Relph, R. E.; New South Wales. Department of Mines; New South Wales. Department of Mines
Publisher: V.C.N. Blight, Govt. Printer
Published: 1959
Place of publication: Sydney
Language: eng
Number of pages: 21
Subjects: Opals; Geology
Notes: Cover title.

At head of title: Department of Mines, New South Wales.

One Plate on folded leaf in pocket.

Bibliography: p. 13.