"California has about 47,000 abandoned mines and roughly 5,000 of those are contaminating water, soil, vegetation, and air across the state, according to a state report issued Tuesday.
In addition to dangers from mercury poisoning and metal contamination, about 84% of the mine sites have shafts, rusted machines, abandoned explosives, or deserted buildings that could cause injury or death to visitors, according to the report by the Legislative Analyst’s Office."
Emily C. Dooley reports for Bloomberg Environment August 4, 2020.
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Source: Bloomberg Environment, 08/05/2020
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