https://www.nap.edu/read/11359/chapter/2#6
And that is why.
Heavy metal contamination...and not to mention the arsenic. 100 years of mining silver did a number on the downstream (Lake Coeur d'Alene).
And that is why.
Heavy metal contamination...and not to mention the arsenic. 100 years of mining silver did a number on the downstream (Lake Coeur d'Alene).