By Worcester P. Bong
Since the 1863 discovery of gold and other ores in the Bradshaw Mountains, the history of mining in central Arizona has been well-documented. Near the present-day town of Dewey-Humboldt, 18 miles southeast of Prescott, the Humboldt Smelter and two earlier smelters (Agua Fria and Val Verde) were built to crush and smelt ore. The smelting process extracts metals, such as gold, silver and copper, from ore by heating it beyond its melting point.
Read More