| Department of Geological Sciences Newsletter No. 17, September 1968 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 18, October 1969 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 19, October 1970 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 20, September 1971 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 21, September 1972 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 22, November 1973 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 23, September 1974 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 24, September 1975 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 25, September 1976 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 26, September 1977 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 27, September 1978 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 28, September 1979 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 29, September 1980 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 30, September 1981 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 31, September 1981 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 32, September 1983 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 34, November 1984 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 35, September 1985 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 36, September 1986 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 37, September 1987 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 38, September 1988 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 39, September 1989 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 40, September 1990 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 41, September 1991 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 42, 1992 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 43, 1993 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 44, 1994 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 45, 1995 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 46, 1996 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 47, 1997 |
By University of Texas at Austin. Dept. of Geological Sciences.
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| Department of Geological Sciences Newsletter No. 48, 1998 |
By University of Texas at Austin. Dept. of Geological Sciences.
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