Slate from Yilgarn Shire, Western Australia, Australia
Australia | |
| Simpson, E.S. (1948), Minerals of Western Australia, Vol 3, p 593 |
| Western Mail newspaper (Perth) (1894), The Victoria Mine. Mount Jackson. A Trial Crushing at Guildford, 17/11/1894 |
| The West Australian newspaper (Perth) (1889), Hopes Hill, 01/05/1889 |