Author: WHITING, J.W.; RELPH, R.E.
Title: The Occurence of Opal at Lightning Ridge and Grawin, with Geological Notes on County Finch.
Description: 4to; pp. 7-22; 2 maps, fold-out map at rear; stiff stapled wrapper, staining to wrapper, staining to first and last few pages, light flecking to title page, previous owners name to title page, good copy. New South Wales, Department Of Mines, n.d.

Keywords: Australian geology mining opal local history New South Wales