| What Happened
~1971? |
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| • | Between 1968 and
1971, the Beattys |
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| published 14
articles on Pennsylvania |
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| Odonata in the Proc.
of the Pennsylvania |
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| Academy of
Science, nearly half of all the |
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| articles they
ever published. |
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| • | They did not
publish another paper after |
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| 1971. |
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