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Clues for April 2009:
1. In 2008, this mine’s geological province contained one of the richest stores of copper in the world outside of Chile.
2. The mine was the site of a massive strike in 1983. The strike became so heated that the National Guard was called in for added security under the mission name “Operation Copper Nugget.”
3. The mine’s neighboring town of the same name is the birthplace of an impressionist painter who studied under Diego Rivera.
Name this mine and its location.
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Answer: The Morenci Mine near Morenci, Ariz., has been mined since 1872 and is North America’s largest copper mine. Today, the mine produces more than 800 million pounds of copper a year. The neighboring town of Morenci has the distinction of being the birthplace of the notable impressionist painter Ettore “Ted” DeGrazia, who studied under Diego Rivera. Photo by Peter Piestrzeniewicz.
April Winners
Henry Berryhill (Marietta, Ga.)
John Cochran (Houston, Texas)
Heather Ford (Riverside, R.I.)
Glenn E. Jones (Vancouver, British Columbia)
Edward A. Metz (Crawford, Neb.)
Lee Ann Nolan (State College, Pa.)
E.D. Pittman (Sedona, Ariz.)
Jeff Ritchie (Wichita Falls, Texas)
Amy Moss-Russell (Lakewood, Colo.)
David Warburton (Boca Raton, Fla.)
To submit your photographs to our Where on Earth? contest, send them via e-mail to
earth@earthmagazine.org.