Portal:Arizona/Did you know/30

Portal
Talk

< Portal:Arizona‎ | Did you know

...that through 1981, Arizona's silver mining industry had produced a cumulative total of 490 million troy ounces of silver?

Source edit

Wikipedia:Recent additions/2007/August, Numbered archive of Main Page appearance.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Portal:Arizona/Did_you_know/30&oldid=828790132"