Editor's note: This is the first in a two-part series on the mining town of Ruby. The Oro Blanco mining district 30 miles northwest of Nogales was first prospected by the Spanish for gold deposits. A ...

1950: A strong earthquake in Apache County leaves several cracks in the ground. The cracks, one-half inch wide up to 12 feet long, extend in a north-south direction near the Ganado trading post. 1951: ...

PICHER — At least 20 mineshafts and two ponds are within a quarter-of-a mile of the trailer where a suspected quadruple killer lived and reportedly held two teenage Welch girls captive during their ...

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Real estate companies are spending on artificial intelligence systems, but employees are ill-prepared to use them and the ...

Metals and mining companies have long been part of the bedrock of the modern economy. Metals are ubiquitous, found in everything from skyscrapers to kitchen appliances, from automobiles to electronics ...

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