from Volcanoes by Marc Szeglat
Added 7 years ago
Miners carry more then 70 kg heavy baskets full of sulfur out of the crater.
from Yellowstone Insider
Added 8 years ago
Roaring Mountain is a hillside of steaming fumaroles that can easily be observed from the road. The mountain doesn't actually roar, but it's still worth a stop. From www.yellowstoneinsider.com.
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