Jewel Cave National Monument | #Geology #GeologyPage #USA Jewel…

Jewel Cave National Monument | #Geology #GeologyPage #USA

Jewel Cave National Monument contains Jewel Cave, currently the third longest cave in the world, with 181.89 miles (292.72 kilometers) of mapped passageways.

Read more & More Photos: http://www.geologypage.com/2017/04/jewel-cave-national-monument.html

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