- Output of Refined Bismuth in Peru in 2004Jan 15, 2005
- Mining Life of Bismuth Ore in Peru in 2004Jan 15, 2005
- Mining Life of Bismuth Ore in Peru in 2003Jan 15, 2004
- Output of Refined Bismuth in Peru in 2003Jan 15, 2004
- Reserves of Bismuth Ore in Peru in 2003Jan 15, 2004
- Output of Bismuth Ore in Peru in 2003Jan 15, 2004
- Output of Bismuth Ore in Peru in 2002Jan 15, 2003
- Reserves of Bismuth Ore in Peru in 2002Jan 15, 2003
- Output of Refined Bismuth in Peru in 2002Jan 15, 2003
- Mining Life of Bismuth Ore in Peru in 2002Jan 15, 2003
- Mining Life of Bismuth Ore in Peru in 2001Jan 15, 2002
- Output of Refined Bismuth in Peru in 2001Jan 15, 2002
- Reserves of Bismuth Ore in Peru in 2001Jan 15, 2002
- Output of Bismuth Ore in Peru in 2001Jan 15, 2002
- Output of Bismuth Ore in Peru in 2000Jan 15, 2001
- Reserves of Bismuth Ore in Peru in 2000Jan 15, 2001
- Output of Refined Bismuth in Peru in 2000Jan 15, 2001
- Mining Life of Bismuth Ore in Peru in 2000Jan 15, 2001
- Mining Life of Bismuth Ore in Peru in 1999Jan 15, 2000
- Output of Refined Bismuth in Peru in 1999Jan 15, 2000
- Reserves of Bismuth Ore in Peru in 1999Jan 15, 2000
- Output of Bismuth Ore in Peru in 1999Jan 15, 2000
- Output of Bismuth Ore in Peru in 1998Jan 15, 1999
- Reserves of Bismuth Ore in Peru in 1998Jan 15, 1999
- Output of Refined Bismuth in Peru in 1998Jan 15, 1999
- Mining Life of Bismuth Ore in Peru in 1998Jan 15, 1999
- Mining Life of Bismuth Ore in Peru in 1997Jan 15, 1998
- Reserves of Bismuth Ore in Peru in 1997Jan 15, 1998
- Output of Bismuth Ore in Peru in 1997Jan 15, 1998
- Output of Bismuth Ore in Peru in 1996Jan 15, 1997
