(Presented in 2002)
Regional Awards
National Award
People's Choice Award
Special Engineer of the Year Award
2001 Awards
Regional Awards
National Award
People's Choice Award
2000 Awards
Regional Awards
National Award
People's Choice Award
1999 Awards
Regional Awards
National Award
1998 Awards
Regional Awards
National Award
20th Anniversary Awards
(Presented in 1997)
Regional Awards
National Award
1995 Awards
1994 Awards (Presented in 1995)
Director's Award (Elimination of acid mine drainage)
1993 Awards
(Presented in 1994)
1992 Awards
(Presented in 1993)