Overlooking New River Gorge, Kaymoor One was one of the biggest of the many coal mines that dot this part of West Virginia. Abandoned in the 1960s, it’s now overrun by vegetation, but accessible to hikers interested in the region’s history. From 1900 to 1962, the mine drew workers from across the country, mainly African Americans from the South and European immigrants, who lived in a company town of more than 100 houses and dug up some 16 million tons of coal. The site has multiple levels, which workers and…