| http://www.w3.org/ns/prov#value | - ds, tornadoes, or hazardous materials releases, catastrophic incidents such as hurricanes may necessitate the evacuation of hundreds of thousands of people.??? For example, more than 1.2 million people in Louisiana were evacuated before Hurricane Katrina???s landfall, and still more than 100,000 people were evacuated from New Orleans in the week following the storm.??? Three weeks later, 1.8 milli
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