Keywords: World Niobium Production 2006.svg World Niobium Production in 2006 Based on the http //minerals usgs gov/minerals/pubs/commodity/niobium/colummcs07 pdf Comodity Report of the United States Geological Survey 2006 PDF; 62 6 kB BlankMap-World6 compact svg 2008-11-18 Stone talk I claim no copyright for the edits to the original map thus the license remains thumbnail left 2007niobium mined PNG Stone Original upload log en wikipedia Yinweichen CommonsHelper en wikipedia World+Niobium+Production+2006 svg 2008-11-18 06 09 Stone 940×415× 1523668 bytes <nowiki> World Niobium Production in 2006 based on the Comodity Report of the United States Geological Survey 2006 http //minerals usgs gov/minerals/pubs/commodity/niobium/colummcs07 pdf derived from BlankMap-World6 _compact s</nowiki> Production maps of the world Niobium |