2
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|
Speleology : Halliday, William R.,
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Encyclopedia of caves / edited by William B. White, David C. Culver, Tanja Pipan.
Axe Elsevier ScienceDirect Ebook:Available
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|
2019
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Encyclopedia of caves / editors, William B. White, David C. Culver.
Axe Elsevier ScienceDirect Ebook:Available
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|
2012
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4
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|
Speleology Ireland : Dowd, Marion,
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The archaeology of caves in Ireland / Marion Dowd.
Axe ProQuest E-Book:Available
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2015
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5
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|
Speleology Juvenile Literature : Russo, Kristin J.
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Surviving the cave / Kristin J. Russo.
PCMS Jumpstart Non-Fiction:Available
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2020
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6
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|
Speleology Missouri : Weaver, H. Dwight.
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