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While best known as a president of the U.S., Herbert Hoover spent the first 20 years of his career as a mining career and rose to become a respect mining consultant. Hoover is enshrined in the National Mining Hall of Fame. Photo: P&Q Staff
While best known as a president of the U.S., Herbert Hoover spent the first 20 years of his career as a mining career and rose to become a respect mining consultant. Hoover is enshrined in the National Mining Hall of Fame. Photo: P&Q Staff