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 Contributions to Geology Table of Contents |
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| 1990s | 1990 | 1991 | 1992 | – | 1994 | – | 1996 | 1997 | 1998 | – |
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| 1960s | – | – | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 |