1898. 2011-05-24T13:41:05Z. 2015-10-21T14:59:49Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Clay County (Neb.), Fillmore County (Neb.), Nebraska, Nuckolls County (Neb.), and Thayer County (Neb.).
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1898. 2011-05-24T17:26:05Z. 2015-10-21T14:59:51Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Adams County (Neb.), Blue Hill (Neb.), Clay County (Neb.), Fairfield (Neb.), Jewell County (Kan.), Kansas, Nebraska, Nelson (Neb.), Nuckolls County (Neb.), Republican River (Neb. and Kan.), and Webster County (Neb.).
