Nickel Mines, Pennsylvania
The nickel mines that give the town its name were worked in a deposit of sulfide ore, principally millerite.The mines were originally opened in the early 18th century for copper, but were given up as unproductive.In 1849, the Gap Mining Company attempted to work the mines for copper, again unsuccessfully, but discovered the presence of nickel in late 1852 or early 1853.
