Bunker Hill Mining
OTCMKTS:BHLLBunker Hill Mining Corp., a mineral exploration company, engages in the acquisition, development, and mining of mineral properties in Canada and the United States. It focuses on exploring for zinc, lead, and silver ores. It holds an option agreement to acquire interest in the Bunker Hill mine located in the Silver Valley, Idaho. The company was formerly known as Liberty Silver Corp. and changed its name to Bunker Hill Mining Corp. in September 2017. Bunker Hill Mining Corp. was incorporated in 2007 and is headquartered in Toronto, Canada.
Sierra Metals
NYSEAMERICAN:SMTSSierra Metals Inc., together with its subsidiaries, focuses on the production, exploration, and development of precious and base metals in Peru and Mexico. It primarily focuses on exploration of silver, copper, lead, zinc, and gold deposits. The company's flagship property is the 81.84% owned polymetallic Yauricocha Mine covering an area of 18,778 hectares located in the Yauyos province in Peru. It also holds 100% interest in the Bolivar mine, comprising of 12 mining concessions covering an area 15,217 hectares; and Cusi Mines that comprises of 73 concessions covering 11,977 hectares in Mexico. The company was formerly known as Dia Bras Exploration Inc. and changed its name to Sierra Metals Inc. in December 2012. Sierra Metals Inc. was incorporated in 1996 and is headquartered in Toronto, Canada.
U.S. Gold
NASDAQ:USAUU.S. Gold Corp. engages in the exploration and development of gold and precious metals in the United States. It also explores for copper and silver deposits. The company holds 100% interests in the CK Gold project, which consists of various mining leases and other mineral rights covering approximately 1,120 acres in Laramie County, Wyoming; the Keystone project that consists of 601 unpatented lode mining claims covering approximately 20 square miles in Eureka County, Nevada; and the Challis Gold project, which consists of 77 unpatented lode mining claims covering approximately 1,710 acres in Lemhi County, Idaho. It also has earn-in agreement to acquire a 50% ownership interest in the Maggie Creek project located in Eureka County, Nevada. The company was formerly known as Dataram Corporation and changed its name to U.S. Gold Corp. in June 2017. U.S. Gold Corp. is based in Elko, Nevada.