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found in the cave is from 1811, and a letter describing the cave was written by Teunis
Houghtaling in 1818.
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Clarksville Cave is a horizontal cave system with 4,800 feet (1,500 m) of passage and three entrances.
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The history of
Clarksville Cave is one of the longest of any cave in New York. The earliest known
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Northeastern Cave
Conservancy Entry on Clarksville Cave
132:. Northeastern Cave Conservancy. Archived from
101:. Northeastern Cave Conservancy. Archived from
73:. Northeastern Cave Conservancy. Archived from
193:Tourist attractions in Albany County, New York
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188:Landforms of Albany County, New York
96:"Clarksville Cave Management Plan"
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166:Clarksville Cave Management Plan
16:Cave in Albany County, New York
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183:Caves of New York (state)
127:"History of the Property"
71:"Clarksville Cave"
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28:Clarksville
177:Categories
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57:References
51:petroglyph
36:New York
45:History
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