www.riotinto.com - Borax's parent company

www.boratesforlife.com - information on borates from the Industrial Minerals Association

www.womeninmining.org - mineral education information

www.boronchemistry.com - Boron America's research site

www.dialcorp.com - consumer information on Twenty Mule Team Borax

www.epa.gov/performancetrack/ - US EPA's National Environmental Performance Track program