Lewis and Clark

Historical marker location:

Bozeman, Montana

( Marker can be reached from N. 19th Avenue near I-90 eastbound entrance ramp (at milepost 305), 0.1 miles east of N. 19th Ave. and E. Valley Center Rd., on the left when traveling south.)

To the Headwaters.

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.