The bones of a country

This month Bill Langer and wife Pam travel across the plains of Arizona to the Californian border, where mining towns were once predominant in the old west.
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Loving the stretch

For their mutual safety, Bill Langer this month hands over the steering wheel to his wife as he points out further geological and mining-related highlights on their road trip along Old Route 66 …
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A taste of barite

When it comes to medications and preserving your health, there are always bitter pills to swallow, Bill Langer writes. This is especially so when they?re laced with barium sulfate.
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Flexible oil, air and water hose

PremoFlex is the perfect choice for multiple applications requiring a highly flexible, cost-effective industrial hose with maximum resistance to petroleum oils, kerosene, and fuel oil (to 49?C) and lubricating oils (to 100?C).
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K is for Potassium

In his ongoing A-Z of quarrying terms, Bill Langer explains how potassium came to earn the chemical symbol of K and how it today still plays a fundamental role in sustaining the human condition.
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