Because Nevada has those ores. 0_o
Nevada
The abandoned Buffalo Lick Mine is in Lander County, Nevada.
it was in Carson city Nevada incorporated in 1916
Nevada
Some people mine it in Nevada
Nevada est 1869Nevada is called the "Silver State" because of its large silver mine industries.
Peru and Mexico have been mining silver since 1546.
Some of the biggest gold mines in the world are Grasberg Gold Mine (Indonesia), Muruntau Gold Mine (Uzbekistan), Carlin-Nevada Complex (USA) and Yanacocha Gold Mine (Peru).
The Comstock Lode was considered as the first and richest silver mine in the United States. The ore deposit was discovered under the eastern slope of Mount Davidson in Nevada.
fAFter a brief stint in the Confederate Army (Cavalry) Sam Clemens (he wasn't Mark Twain yet) joined his brother Orion and headed out west to the Nevada territory to mine for silver. In 1862, he began working as a reporter for the Virginia City Territorial Enterprise in Nevada and started using Mark Twain as his pen name. He left Nevada for California..
The Homestake Gold Mine in South Dakota was the biggest gold mine in the western hemisphere when it was in production, but this ceased in 2001.The Yanacocha Gold Mine in Peru now holds the record for the largest working gold mine in the western hemisphere.