Nederland Mining Museum The mine closed in 1986 as a result of a tax dispute with the city, which foreclosed for back taxes in 1989 and auctioned the property to Richard and Robert Hauck for $750,000. The California State Mining and Mineral Museum might be open Thursday through Sunday http://travisq2g5j.mybloglicious.com/26315170/is-coal-more-dangerous-than-other-kinds-of-mining