Aber Diamond Corporation
Aber Diamond Corporation
http://www.aber.ca/index.htm
Becker mining system
Becker mining system
http://becker-mining.com/runtime/cms.run/promato/intern/lang/English/doc/791/Home.html
Crystal Grove
Crystal Grove
http://www.crystalgrove.com/
De Beers
De Beers
http://www.debeersgroup.com/debeersweb
Diamcor mining inc.
Diamcor mining inc.
http://www.diamcormining.com/
Herkimer diamand mines
Herkimer diamand mines
http://www.herkimerdiamond.com/
Kentucky mining institute
Kentucky mining institute
http://www.miningusa.com/kmi/default.htm
Mijnbouw in Australie
Mijnbouw in Australie
http://www.costellos.com.au/diamonds/industry.html
Rex mining
Rex mining
http://www.rexmining.com/