California State Mining And Mineral Museum The mine closed in 1986 as a result of a tax dispute with the city, which foreclosed for again taxes in 1989 and auctioned the property to Richard and Robert Hauck for $750,000. The California State Mining and Mineral Museum will be open http://collinuvtsp.ampblogs.com/Commercial-Explosives-And-Individual-Blaster-Licenses-39235312