1897. 2011-05-24T15:10:31Z. 2015-10-21T14:59:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Big Blue River (Neb. and Kan.), Crete (Saline County, Neb.), Gage County (Neb.), Lancaster County (Neb.), Lincoln (Neb.), Nebraska, Saline County (Neb.), and Seward County (Neb.).