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"A University of California anthropologist says her study of 19th-century silver prospectors sheds light on the recent bubble in the U.S. housing market."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/2009/08/26/Historian-Housing-bubble-like-silver-rush/UPI-93211251314682/>