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1961
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1962
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1963
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1964
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1965
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1966
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1967
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1968by Hugn M. Raup, W. H. Drury & K.A. RaupGet access
Published 1948
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Get access
Still Image -
1969
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1970
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1971
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1972
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1973
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1974by Hugh M. Raup, W. H. Drury & K. A. RaupGet access
Published 1948
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Get access
Still Image -
1975by Hugh M. Raup, W. H. Drury & K. A. RaupGet access
Published 1948
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Get access
Still Image -
1976by Hugh M. Raup, W. H. Drury & K. A. RaupGet access
Published 1948
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Get access
Still Image -
1977
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1978
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1979
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1980