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1959. Powell, Susan and Navarro, Fernando. This point dataset represents the general locations of mineral deposits in Mongolia in 1959. Minerals included are: gold, iron ore, lead, salt, flu... UC Berkeley Library.
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents locations of nonferrous metal mines in the United States. The data represent commodities covered by the Minerals In... National Atlas of the United States.
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile includes nonferrous metal processing plants in the United States. The data represent commodities covered by the Minerals Infor... National Atlas of the United States.