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1913 |
Geology and ground waters of Florida.
U.S. Geol. Surv. Water-Supply Paper 319: 1-445. 7 figs. 17 pls.
–P. 146: {"The Bone Valley gravel, however, contains many fossils which are contemporaneous with the deposition of the beds, among them being teeth of horses, rhinoceroses, mammoths, sharks, and manatees."} "Manatees" here refers to Miocene dugongids, principally Metaxytherium floridanum.
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