www.anglogoldashanti.com
www.diamondfields.com
www.namdeb.com
www.rossing.com
www.skorpionzinc.com.na
www.transhex.co.za
www.helioresource.com
www.mining-journal.com
www.bullion.org.za
www.infomine.com
www.icsg.org
www.mii.org
www.bgs.ac.uk
minerals.usgs.gov
