West of the Mississippi, historically, there have been huge metal discoveries and staking rushes such as the Comstock Lode and the 1849 California Gold Rush.
In more recent years, Vancouver`s Chester Millar pioneered the heap leach gold recovery process in southeastern California at Glamis Gold’s successful Picacho Gold Mine – a technology now commonly used everywhere.
Today, the Western USA continues to be one of the world’s important mineral producers and a favourite destination for Canadian investment for its prospectivity, secure mineral tenure and ease of access (not counting the temporary COVID-19 restrictions for Canadians with US projects). There are far too many companies to cover; we can only hit a few highlights.
In the northwest, the famous Coeur d’Alene District of northern Idaho has produced tremendous quantities of silver, lead and zinc – and still does at Hecla Mining’s Lucky Friday Mine that has been in production for almost 80 years.
However, the real star of the Western USA is Nevada – the biggest gold producer in the United States. The Nevada Bureau of Mines and Geology has published an official report on the Silver State’s mining operations – Major Mines of Nevada.
For the rest of this article: https://resourceworld.com/western-usa-treasure-chest-for-the-nation/