The occurrence of opal at Lightning Ridge and Grawin : with geological notes on County Finch /Author: Whiting, J. W.
Publisher: Sydney : [V.C.N. Blight, Government Printer,
Date: 1962]. This title can be found in 1 Iowa libraries.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.