1995 to present: The Zonolite Company and W.R. Grace, in conjunction with other agencies and companies, mined vermiculite contaminated with asbestos that sickened and killed thousands of Libby residents.
1995 to present: The Zonolite Company and W.R. Grace, in conjunction with other agencies and companies, mined vermiculite contaminated with asbestos that sickened and killed thousands of Libby residents.