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Back in the Rockport State Recreational Area forest lies over 12 relatively un-explored Devonian Era sinkhole karst features. These sinkholes are filled with water and might contain clues as to what has occurred during the last Holocene as well as the possibility of some interesting man-made and natural artifacts that may be preserved at the bottom of these sinks. Furthermore, understanding the geological nature of these sinkholes may also shine some more light on current theories or inspire a different theory with clues that these sinkholes might hold secret at the bottom including the possibility of dormant cave passage.

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Click HERE to learn more about the inland sinkholes of Presque Isle.

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