Jewel Cave
A rather nice article on Jewel Cave today (Sunday 8 Dec 2013) in the Rapid City Journal. http://web.mail.comcast.net/service/home/~/jewel%20cave%20article%20-%20rc%20journal%20dec%208%202013.pdf?auth=co&loc=en_US&id=640314&part=2 DirtDoc
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