- Reserves of Bismuth Ore in Mexico in 1997Jan 15, 1998
- Output of Bismuth Ore in Mexico in 1997Jan 15, 1998
- Mining Life of Bismuth Ore in Mexico in 1997Jan 15, 1998
- Mining Life of Bismuth Ore in Mexico in 1996Jan 15, 1997
- Output of Bismuth Ore in Mexico in 1996Jan 15, 1997
- Reserves of Bismuth Ore in Mexico in 1996Jan 15, 1997
- Reserves of Bismuth Ore in Mexico in 1995Jan 15, 1996
- Output of Bismuth Ore in Mexico in 1995Jan 15, 1996
- Mining Life of Bismuth Ore in Mexico in 1995Jan 15, 1996
- Output of Bismuth Ore in Mexico in 1994Jan 15, 1995