- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- Technical Resource Document: Extraction and Beneficiation of Ores and Minerals: Gold From the website of the U.S. Environmental Protection Agency (EPA)
- Use of Cyanide in the Gold Industry
- WebElements.com - Gold
- Mineral Galleries - Native Gold
- Los Alamos National Laboratory - Gold
- Virtual Chembook - Gold Processing Dr. Charles Ophardt, Emeritus Professor, Elmhurst College, Elmhurst, Illinois