BENTONITE

State of Wyoming*

Year
Mine Production
Mill Production
Employees
(Mine+Mill)
2008 6,284,419

3,606,154

841
2007 5,890,629

4,677,305

848
2006 6,102,218

4,911,364

798
2005 5,204,289 4,616,408 815
2004
5,245,540
4,537,423
743
2003
3,760,805
3,918,687
692
2002
3,454,582
3,470,634
669
2001
4,777,026
3,522,764
704
2000
4,179,503
3,278,762
672

1999

4,073,765

3,456,663

644

1998

4,528,161

 

709

1997

4,664,220

 

749

1996

4,356,269

 

682

1995

4,227,040

 

690

1994

3,278,583

 

595

*Figures Based on Annual Reports of
the State Inspector of Mines,
2003-1994

The sum of production from individual mine tables may not equal summed production in table above. Bentonite production is reported by the State Inspector of Mines as mine production and plant production.