Almaden Mercury Mine spoil, April 2017

Notes on the Almaden Mercury Mine


Between 1932 and 1972, Nutmeg Mountain, elevenĀ miles eastĀ of Weiser, Idaho, was a mercury mine. The mining was episodic, not continuous. Usually, it took a war to drive the price of mercury, which is used in explosives, to levels that made mining and extraction profitable. Changes in mining technology also affected the level of activity. Altogether,…