What is the largest Superfund site in the United States?
The upper Clark Fork River
The lower Mississippi River
The Hudson River
The Colorado River
Answer
The upper Clark Fork River, with headwaters at Butte, is the largest Superfund site in the United States. Superfund sites are polluted locations requiring long-term response to clean up hazardous material contaminations.
Discover the Hidden Gem: Exploring Butte, Montana
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What is the size of Butte in square miles?
What is the population of Butte according to the 2020 census?
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