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Mercer Caverns
Cave in United States of America From Wikipedia, the free encyclopedia
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Mercer Caverns is a show cave located one mile north of Murphys in Calaveras County California.[1] It is named after the gold prospector Walter J. Mercer who discovered the caves around 1885 and filed a claim.[2] The caverns have a large number of speleothems, stalactites, and stalagmites. It is formed in a marble unit known as the Calaveras Formation. It also contains a large display of aragonite frostwork. [3] The standard tour of the cave descends 160 feet, 208 steps down and 232 up in a traverse between the natural and an artificial entrance. The cave was mapped in 1986 to a length of 3389 feet and a total depth of 192 feet. The map can be viewed on the cave's web site.


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