Galena, Kansas taking the present name of Galena in 1877, which is named after the lead ore galena found in the area. The city was part of the tri state mining area and had over 30,000 inhabitants. After the mines closed in the 1970s, population decreased. The Jayhawk Ordnance Works northwest of Galena, built during World War II, was a large ordnance plant producing ammonium nitrate. After the war it was privatized by its operator Kenneth Aldred Spencer and at one point was the world's largest producer of ammonium nitrate fertilizer in the world. It would form the basis for the Spencer
Mineral industry of Armenia precious metal mines. Among these mines, about 400 mines, including 22 base metal, non-ferrous metal and precious metal mines are currently being exploited. Among the base metal and precious metal deposits, there are 7 copper-molybdenum mines, 3 copper mines, 13 gold and gold-polymetallic mines, 2 polymetalilc mines and 2 iron ore mines. In addition to those mines registered in the state inventory of mineral resources, there are an additional 115 deposits of various deposits that have been discovered. In 2017 mining industry output with grew by 14.2% to 172 billion AMD at current prices and run at 3.1% of Armenia's