This web site is provided by the Agency for Toxic Substances and Disease Registry (ATSDR)
ONLY as an historical reference for the public health community. It is no longer being maintained and the data
it contains may no longer be current and/or accurate.
The Kootenai River in Libby, Montana
Screening plant for vermiculite in Libby. Vermiculite was loaded here and taken to the
exfoliation site. This photograph was taken before cleanup efforts began.