Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
CRYSTAL LAKE CAVE: Difference between revisions
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Revision as of 22:59, 26 February 2009
CRYSTAL LAKE CAVE. Site of dazzling displays of rock formations. Discovered in 1868 by James Rice, a LEAD miner in search of ore-bearing stone, the cave originally had to be reached by riding in a bucket lowered by rope down a forty-five foot shaft. Ownership of the cave passed to Charles Linden who named it Linden's Cave.
In the 1930s,the site was developed as Crystal Lake Cave by Bernard Markus, a son-in-law of Linden. Markus operated the mine as a tourist attraction from 1932 until his death in 1944. The ownership then passed to Herbert Knockel and his wife Evelyn, a granddaughter of Markus. In 1978 the ownership of the land passed to James and Doris Rubel. (Photo Courtesy: http://www.dubuquepostcards.com)