RESTRICTED USE The most effective means of ensuring that redundant shafts are not occupied by illegal miners is to permanently seal shafts FORMER GLORY If shaft capping is executed properly, it is ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

State and county officials are teaming up to take on a stubborn safety hazard left behind by an early 20th century mining operation in the southwest Las Vegas Valley. Starting in early April, crews ...

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