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| | Summary of Citation (Site not responding. Last check: 2007-11-01) |
 | | Publication: Hallberg, G.R., 1986, Pre-Wisconsin glacial stratigraphy of Central Plains region in Iowa, Nebraska, Kansas, and Missouri, IN Sibrava, Vladimir, Bowen, D.Q., and Richmond, G.M., eds., Quaternary glaciations in the Northern Hemisphere; report of the International Geological Correlation Programme (IGCP) Project No. 24: Quaternary Science Reviews, v. |
 | | As a result present knowledge leads to the conclusion that there is no single Kansan till but rather tills of several ages that have been assigned to the Kansan. |
 | | Name Kansan abandoned; rocks formerly designated Kansan are part of a grouping of 12 glaciations of pre-Illinoian, Pleistocene to late Pliocene age. |
| ngmdb.usgs.gov /Geolex/Refsmry/sumry_9037.html (292 words) |
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