Melvin Herdrick

Part of Argonaut Gold, Inc., Minera Pitalla SA de CV explores for gold minerals. The company is based in Hermosillo, Mexico. Minera Pitalla SA de was acquired by Pediment Gold Corp. on September 29, 2005.

Society for Mining, Metallurgy, & Exploration, Inc. operates as a professional society corporation representing all professionals serving the minerals industry in more than 85 countries. Its members are engineers, geologists, metallurgists, educators, students and researchers. The company was founded in 1871 and is headquartered in Englewood, CO.

American Institute of Mining, Metallurgical & Petroleum Engineers operates as an engineering society. The company was founded in 1871 and is headquartered in Englewood, CO.

Pediment Gold Corp. explores for gold, copper and silver. Its principal activity is exploration of mineral properties. It is currently focusing on nine gold, silver and copper projects. The Group's current exploration activities are conducted in Mexico. The company was founded on December 23, 1983 and is headquartered in Vancouver, Canada.

Phelps Dodge, Corp. used to provide mining, smelting & refining operations for copper and related products. It was having processing capabilities for other minerals as by-products, such as gold, silver and rhenium. The company copper mining operations was in Bagdad, Morenci, Sierrita, Miami and Tyrone. Phelps Dodge was founded by Anson Phelps & William Dodge in 1834 and is located in Phoenix, AZ.