"In this Dec. 13, 2006 photo provided by Mel Fechter is a lobby display case of gold nuggets at the Siskiyou County Courthouse in Yreka, Calif.  Shown in the foreground is the keystone of the exhibit, a 28-ounce nugget that is known as the ""shoe"" or  ""slipper."" Thieves broke into the courthouse early Wednesday, Feb. 1, 2012 and stole gold pieces from the display whose total value is estimated at $3 million. County officials and historical experts say the theft of the collection represents an ""irreplaceable"" loss to the county's cultural identity and past. (AP Photo/Mel Fechter) Photo: Mel Fechter, Associated Press"
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