The Pass He Walked Alone
In December 1889 he walked a snowbound Montana ridge alone, reading a mountain crossing no survey had marked. Years later he was called to rescue a canal that had defeated an empire.
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The Oil That Never Stopped
In 1872 a railroad fireman who spent his days crouched beside stalled engines invented a device that let heavy machinery run without stopping to be oiled. His idea reshaped how industry measured downtime.
