History of Northwich February 2004 a £28 million programme to stabilise the abandoned salt mines underneath Northwich was begun. The work was funded by the English Partnerships through its Land Stabilisation Programme, introduced to resolve issues associated with unstable mines around England. The four mines identified for work were Baron's Quay, Witton Bank, Neumann's and Penny's Lane. These mines were chosen because their subsidence was causing problems for the town centre. When they were abandoned the mines were left with supporting salt pillars. Modern salt mining leaves around 30% of the salt to form the pillars but, because of the wild-brine pumping, the
Arizona Mining and Mineral Museum Arizona Mining and Mineral Museum The Arizona Mining and Mineral Museum in Phoenix, Arizona, was a museum focused on minerals and mining. Last operated by the Arizona Historical Society, a state government agency, its exhibits included more than 3,000 minerals, rocks, fossils, and artifacts related to the mining industry. The museum closed in May 2011. In April 2017, legislation was passed to reopen the museum under the ownership of the University of Arizona. The museum was started in 1884 as a temporary exhibit at Arizona's first territorial fair. The exhibit was very popular and was moved into a permanent building