The Clark Fork River and its tributaries drain most of western Montana. The upper river and headwaters were heavily impacted by wastes from over a century of mining. Today, the area is the largest Superfund environmental clean-up site in the nation.

-Volunteers Needed for Spring Field Trip Season: Click here to download the spring field trip schedule (MS Excel format).
-May 21: CFWEP Field Trip with Philipsburg School.
-May 28: Deadline for public comments on Anaconda area Superfund sites.

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