Mining

• Mining - In Gary Paul Nabhan and Andrew R. Holdsworth. 1998. State of the Sonoran Desert Biome: Uniqueness, Biodiversity, Threats and the Adequacy of Protection in the Sonoran Bioregion. p. 43-44.
• http://www.index.com/c_r.htm - lists a number of mining enterprises in Mexico, including Sonora and Baja California, and provides information on stock prices. [broken]