EP Minerals . Crunchbase
EP Minerals is a mining & metals company offering clay, perlite, and specialty . from industrial minerals, including diatomaceous earth (DE), perlite and calcium bentonite, . EP Minerals acquired by U.S. Silica . Mining Companies that Exited.
The Mineral Industry of Algeria in 2013 USGS Mineral Resources .
Jun 3, 2015 . The number of employees in private mining companies increased slightly to 20,427 from 20,406 in 2011 (Ministère de l'energie et des Mines,.obtener precio