Gregg B. Bush

Capstone Mining Corp. engages in mining, exploration and development of mineral properties. Its two producing mines are the Pinto Valley copper mine located in Arizona, U.S. and the Cozamin copper-silver mine in Zacatecas, Mexico. The company was founded by Darren Pylot Murvin on July 27, 1987 and is headquartered in Vancouver, Canada.

Minefinders Corp. Ltd. explores for precious and base minerals. It is engaged in the acquisition, exploration, development and production of gold and silver mineral properties. The company owns and operates the Dolores gold and silver mine located in northern Mexico. It has exploration properties in Mexico and the U.S. at various stages of advancement, including the La Bolsa gold deposits and La Virginia gold and silver properties. The company was founded on February 4, 1975 and is headquartered in Vancouver, Canada.

Placer Dome, Inc. owns & explores gold mines. It produces copper, silver as a byproduct of its gold mining. It has interests in different mines in Australia, the Americas, Papua New Guinea, South Africa and Tanzania. Placer Dome was formed in 1987 and is located in Vancouver, Canada.