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Uploaded by SDPBdotORG on Mar 2, 2010
This Audio Slide Show follows of one of five teams who helped to map the 150th mile at Jewel Cave in South Dakota.
News & Politics
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Way to go guys!
trinian23 7 months ago
you guys are insane xD, I'm 15 and I'd never do that
QwertySkill 7 months ago
In 1977 my family visited Jewel Cave National Monument. I was 14 then, and no vacation since has ever matched the day I spent seeing what Herb and Jan had explored before me.
KayakMike1963 9 months ago
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Way to go guys!
trinian23 7 months ago
you guys are insane xD, I'm 15 and I'd never do that
QwertySkill 7 months ago
In 1977 my family visited Jewel Cave National Monument. I was 14 then, and no vacation since has ever matched the day I spent seeing what Herb and Jan had explored before me.
KayakMike1963 9 months ago