From Albany Hilltowns
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Knox Cave - Robert P Addis: Figure 5 - Knox Cave sinkhole January 1959. The stairs have since been removed.
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|current||16:07, 1 October 2009||840×560 (109 KB)||JElberfeld||(Knox Cave - Robert P Addis: Figure 5 - Knox Cave sinkhole January 1959. THe stairs have since been removed.Category:Natural History)|