How Volcano came to be
From Wikipedia’s history of Volcano.
The town is named for its setting in a bowl-shaped valley which early gold miners thought was caused by a volcano. Early-morning fog rising from the valley floor only reinforced that belief. The area was first designated by Colonel Stevenson's men, who mined Soldiers Gulch in 1849. In 1851 a post office was established and by April 1852 there were 300 houses. By 1853 the flats and gulches swarmed with men, and there were 11 stores, six hotels, three bakeries, and three saloons. Hydraulic mining operations, begun in 1855, brought thousands of fortune seekers to form a town of 17 hotels, a library, a theater, and courts of quick justice.
Text from Wikipedia, licensed CC BY-SA 4.0.



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