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Scientific American, Vol. 68, No. 25 (1893) (1893)
leaf 5
d around the issue of the journals devoted to these respective indus- and stalagmites taken from the great cave discovered tries. But while such controversy is necessarily futile margin of the excavation, in order to even up the in the Black Hills region. This cave is 52 miles long, in itself,… … was a ‘‘lizard”-shaped tal cave. © 1893 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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