Cliffs Shaft Mine Museum The mine closed in 1986 due to 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 via Sunday and https://garrettukymz.blognody.com/6819703/research-of-explosives-in-an-environment-of-high-pressure-and-temperature-using-a-new-test-stand