33 metal producing : a McGraw Hill magazine

2009 – Volume 47

2008 – Volume 46

2007 – Volume 45

2006 – Volume 44

2005 – Volume 43

2004 – Volume 42

2002 – Volume 40

2001 – Volume 39

2000 – Volume 38

1999 – Volume 37

1998 – Volume 36

1998 – Volume 34

1997 – Volume 35

1995 – Volume 33

1994 – Volume 32

1993 – Volume 31

1992 – Volume 30

1991 – Volume 29

1990 – Volume 28

1989 – Volume 27

1988 – Volume 26

1987 – Volume 25

1983 – Volume 21

1982 – Volume 20

1981 – Volume 19

1980 – Volume 18

1979 – Volume 17