Historical Marker
Bluestone House
Historical marker location:
80 South Warren Street, Helena, Montana
( Marker can be reached from South Warren Street near Miller Street, on the left when traveling north.)
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.