Ringe, Don
Don is Emeritus Professor of Geology from Central Washington University. He has had a long time interest in the geology of the Northwest.
Recordings in This Collection
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1982
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1984
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1984
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1984
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1992
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1997
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1998
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1998
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1998
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1998
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1998
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1998
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1998
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1998
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1998
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1998
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1998