Gary Thompson/AP PHOTO/LAS VEGAS REVIEW-JOURNAL Members of the Army Reserves' 355th Chemical Company and officials with the Clark County coroner's office participate in a simulated chemical attack, called "Rotunda Thunda," in Las Vegas on July 11. The simulation, which used mannequins as victims, was part of the three-day anti-terrorist exercise.

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Nevada officials consider new disaster scenarios post-Katrina

• By ncs-import
• September 15, 2005