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 Peru privatization process in the minerals sector and FDI in every sector of the Peruvian economy, particularly in the banking and energy industries are expected to continue to generate additional investments. Higher demand for copper, gold, iron ore, and silver and high metal prices are likely to encourage mining companies to invest in expanding and modernizing their operations. The liquefaction of Camisea's natural gas for export to China, MERCOSUR, North American Free Trade Agreement (NAFTA), and other trading partners is expected to increase Peru's mineral exports further. The transportation phase of Camisea's pipelines for natural gas (714 km) and for natural