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"Water shortages, caused by water pipes damaged by cold temperatures, have provoked emergency orders by Arizona's governor and the Navajo Nation's president."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2013/02/07/Emergency-declared-in-Navajo-water-crisis/UPI-90991360264792/>