Space miner targets asteroids http://www.mining-technology.com/features/featurejanuary-... - 0 views
http://www.mining-technology.com/features/featurejanuary-stories-rio-tinto-writedown-space-miner-asteroids/
http://www.mining-technology.com/features/featurejanuary-stories-rio-tinto-writedown-space-miner-asteroids/