The occurrence of opal at Lightning Ridge and Grawin, with geological notes on County Finch
Contributors: Whiting, J. W,; Relph, R. E,
Publisher: V.C.N. Blight, Govt. Printer
Published: 1962
Place of publication: Sydney
Language: eng
Number of pages: 21
Subjects: Opal mines and mining -- New South Wales -- Finch Co.; Geology -- New South Wales -- Finch Co.