In this April 28, 2011 photo, landscaper Allen Olsen stands in his nursery in Libby, Mont., where he has used bark and wood chip potentially contaminated with lethal asbestos. More than 15,000 tons of... more 
In this April 28, 2011 photo, landscaper Allen Olsen stands in his nursery in Libby, Mont., where he has used bark and wood chip potentially contaminated with lethal asbestos. More than 15,000 tons of the material have been sold, used in and trucked out of the remote Montana town of 3,000 people over the last decade, with unknown risks to public health. (AP Photo/Matthew Brown) less 
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Associated Press | Photo By Matthew Brown
Tue, Jul 5, 2011 6:36 AM EDT