For Kathleen Tanis of West Milford, the mines and ghosts of the historic Ringwood Manor will always have special significance. Tanis grew up listening to stories of her great-grandfather's death by beheading after a mining accident at Peter's Mine located near the grounds of the 200-year-old estate. Her grandmother firmly believed that his ghost haunted the Manor. "My grandmother said that after that, he could never rest in peace," she said. "She said he haunted the upstairs bedroom, and she was glad he did!" Ringwood Manor is one of two historic estates in Ringwood State Park. (The other estate is...