Vance V. Thornsberry

North American Gold Corp. engages in exploration of gold and other precious minerals. The company is headquartered in Likely, Canada.

Northland Resources SE engages in the exploration and evaluation of mineral properties. It develops and operates iron, copper, and gold projects. The company was founded on March 13, 1987 and is headquartered in Lulea, Sweden.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.

American Exploration & Mining Association is a non-profit organization which builds working strategies with key elected officials, develops and coordinates industry's response to legislative and regulatory issues. It promotes small businesses, public lands, industry partnerships, conservation, environmental sustainability, and health and safety. The organization was founded in 1895 and is headquartered in Spokane, WA.

Calico Resources Corp. is an exploration and development stage company, which is principally engaged in the acquisition, exploration and development of mineral property interests. The company is focused on continued advancement of its Grassy Mountain gold Project located in Malheur County, Oregon. Calico Resources was founded on June 17, 1998 and is headquartered in Vancouver, Canada.

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.