Historical Marker
The Smith River Valley
Historical marker location:
White Sulphur Springs, Montana
( Marker is on US Highway 89 (U.S. 12) 7.5 miles south of Main Street (State Highway 360), on the right when traveling south.)
The town of Libby, Montana, was the site of one of the worst environmental disasters in US history, when it was discovered that vermiculite mined from the area was contaminated with asbestos. The contamination led to widespread illness and death, and cleanup efforts have been ongoing for several decades.