John M. Gregg

Desert Hawk Gold Corp. engages in the extraction of gold and related precious metals. It owns the Kiewit mining property located in the Gold Hill Mining District in Tooele County, Utah. The company was founded on Nov 05, 1957 and is headquartered in Reno, NV.

Hatch Ltd. provides consulting, engineering, project and construction management services. Its projects include Jadar project, metals and minerals, energy and infrastructure project. The company was founded in 1955 and is headquartered in Mississauga, ON.

University of Nevada functions as a college and university. It provides education, research, scholarship, creative activities, and clinical services. The company was founded on September 10, 1957 and is headquartered in Las Vegas, NV.

Part of Lion Copper & Gold Corp., Arimetco, Inc. mines for copper. The company is based in Yerington, NV. Arimetco was acquired by Lion Copper & Gold Corp. on May 01, 2007 for $1.26 million.

The Canadian Institute of Mining, Metallurgy & Petroleum (CIM) is a not-for-profit technical society of professionals in the Canadian minerals, metals, materials, and energy industries. CIM is based in Westmount, Canada, and has subsidiaries in Canada. CIM provides a wealth of benefits to its members, including building industry knowledge, enhancing professional profiles, and raising Canadian company visibility. The institute offers a range of services, including professional development, distinguished lecturer programs, and awards. The private company was founded by Patrick B. Carlson, and the CEO is Angela Hamlyn.

Society of Mining Engineers represents all professions serving the mining, minerals and underground construction industries. Its memebers include engineers, geologists, metallurgists, educators, students and researchers. The company was founded in 1871 and is headquartered in Wapwallopen, PA.

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.

Mining & Metallurgical Society of America operates as a association of mining and metallurgical. The company was founded in 1908 and is headquartered in Boulder, CO.

Platte River Gold, Inc. is a private Canadian company. It carries out precious and base metals exploration, focusing in Mexico and Nevada. The company employees & contractors have direct roles in the discovery of the El Penon Au-Ag Mine in Chile, the Dolores Au-Ag Mine in Mexico & the Jerritt Canyon (Au) and Paradise Peak (Au-Ag-Hg) mines in Nevada. The company's Mexican subsidiary, Minera Platte River S.L. de C.V. (MPRG), controls four significant projects in Mexico, the most important of which is the polymetallic, La Verde Project, near Cosala, Sinaloa about 2.5 hours drive from Mazatlan. MPRG controls 10,207 hectares of exploration and exploitation concessions and owns the operating La Verde underground Ag-Cu-Au mine, all of which are contiguous to the northern boundary of Scorpio's Cosala area land holdings. It was founded in April 2004. It is based in Reno, Nevada and it also has operations in Hermosillo and Cosala, Mexico.

Oremex Gold, Inc. engages in exploring gold mineral properties. Its properties include the Cerro del Oro, San Lucas, Santa Catarina, Maco and Navidad, which are located in Mexico. Oremex Gold was founded on January 26, 2009 and is headquartered in Toronto, Canada.