https://www.nhpr.org/nh-news/2023-07-24/ruggles-mine-nh-residents-buy-landmark
Two NH residents buy Ruggles Mine in Grafton | New Hampshire Public Radio
Jul 24, 2023 - Ruggles Mine in Grafton, New Hampshire, was established in 1805. It became a tourist attraction in the latter half of the 20th century.
grafton new hampshireruggles mine