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prairie dog--Ft Niobrara NWR
Pronghorn-Win Cave-2
Jewel Cave Sign
Jewel Cave entrance
Jewel Cave 2
  Jewel Cave 5.jpg - Jewel Cave is the second longest cave in the US with 192 mapped miles.   Like Wind Cave, barometric tests indicate that is it much larger than that.    There is some speculation that the two caves connect at some point that has yet to be discovered.  
Jewel Cave 6
Jewel Cave 3
Jewel Cave 4-Square
Buffalo are dangerous
Bison jam-2

Jewel Cave is the second longest cave in the US with 192 mapped miles. Like Wind Cave, barometric tests indicate that is it much larger than that. There is some speculation that the two caves connect at some point that has yet to be discovered.
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