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Hayden Smelter is a copper smelter at Hayden, Arizona, owned and operated by ASARCO. It has a 305 meters (1,001 feet) tall chimney, which is the tallest free-standing structure of Arizona . It processes copper from the Ray mine .
From 1904 to 1908, Phelps-Dodge spent $2.5 million on expanding and modernizing the mine and plant. As the mine grew, so did Globe. World War 1 brought increased copper demand; the mine and town both prospered. 1917 was a year of labor unrest in the copper mines nationwide. A strike on the Globe mines was called on July 1, 1917.
In 2007, Arizona was the leading copper-producing state in the country, producing 750 thousand metric tons of copper, valued at $5.54 billion. Arizona's copper production was 60% of the total for the United States. Copper mining also produces gold and silver as byproducts. [2]
The Ray mine has one of the largest copper reserves in the United States, with proven and probable reserves of 835.7 million tonnes (822,500,000 long tons; 921,200,000 short tons) of ore grading 1.73% copper, as of December 31, 2018. [2] [3] [4] Copper from the Ray mine goes to the Hayden Smelter.
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The Copper Creek mining district contains a substantial copper deposit; in recent years, several companies have proposed opening a mine there. [3] The district hosts more than 500 mineralized breccia pipes. Buried porphyry-style, stockwork copper mineralization has attracted exploration interest in recent years. [4]
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Embossed black serial on copper plate; vertical "ARIZ" and "1936" at left and right respectively; county name centered at bottom none: 1A B1 1A 1B AA 12 A1 A2 Coded by county of issuance (1 or A) 1937 Embossed black serial on copper plate with border line; "ARIZONA-37" and county name centered at top and bottom respectively none: A1-234
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