The Oppenheimers and De Beers are no more. Here’s a 30-year old article that predicted the cartel’s undoing
"An unruly market may undo the work of a giant cartel and of an inspired, decades-long ad campaign."
Alpha [Natural Resources] agreed to build a "state-of-the-art" training facility in Julian as part of its obligations to settle with the Department of Justice in regard to the Upper Big Branch mine disaster. The accident resulted in the death of 29 miners.