Gold mining in the United States open-pit heap leach mines in the state of Nevada. The US is a net exporter of gold. Gold was discovered in Alabama about 1830, shortly following the Georgia Gold Rush. The principal districts were the Arbacoochee district in Cleburne County, mostly from placer deposits, and the Hog Mountain district in Tallapoosa County, which produced from veins in schist. Russian explorers discovered placer gold in the Kenai River in 1848, but no gold was produced. Gold mining started in 1870 from placers southeast of Juneau. Alaska produced a total of of gold from 1880 through the end of 2007. In 2015
Juneau mining district Inlet to Holkam Bay. French Canadian prospector Pierre Erussard, known as "French Pete," found gold on Douglas Island, across Gastineau Channel from Juneau. A consortium led by John Treadwell, a carpenter from California, purchased the claims and adjoining gold-bearing land. The resulting mine/mill complex produced more than 3 million troy ounces (93 tonnes) of gold before closing in 1922. The underground Kensington hardrock mine is approximately north of Juneau. The mine site is within the City and Borough of Juneau and the Tongass National Forest. Development and ore production occurred at the Kensington mine site from 1897 through 1938. The