The richest discovery in the history of mining occurred in 1873. This so-called "Big Bonanza" made _______ the richest man in the world.
A. John Placer
B. Henry Sutter
C. John Mackay
D. Henry Comstock
The richest discovery in the history of mining occurred in 1873. This so-called "Big Bonanza" made John Mackay the richest man in the world.
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Asked 8/29/2013 5:39:28 PM
Updated 1/2/2018 8:34:23 PM
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Masamune [1/2/2018 8:34:22 PM]
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