Source: University of Kansas Released: Sat 12-Feb-2005, 09:00 ET Embargo expired: Tue 15-Feb-2005, 00:00 ET Discovery Could Change Dates for Human Arrival on the Great Plains Dated by carbon-14 methods at 12,200 years old, recently discovered bones could be the oldest evidence of human occupation in Kansas, and they may be the oldest evidence of humans on the Great Plains. For photos related to the story, go to http://www.kgs.ku.edu/General/News/2005/kanorado.html Newswise — Bones of now-extinct animals and a rock fragment discovered last summer in northwestern Kansas could rewrite the history of humans on the Great Plains. The bones, which appear to...