Department of Mines Correspondence 1921 "Notes on the Stuart's Range Opal Field," Mining Review No. 25, 1917, pages 36-44 - A comprehensive report by L Keith Ward, Government Geologist, who visited the field in October 1916, contents: covering note from PIRSA, Notes on the Stuart Range Opal Field,  Photos of Stuart's Range,  map of routes to the field,  chart of distances between wells to field,  photos of Stuart's Range,  geological features, nature, occurences & origin of precious opal,  method of working & general conditions on the field, photos, workings & camp, map of principal Australian opal fields, conclusion Click to view [...]