260 __|a Alexandria, VA : |b PBS, |c 2005. br>
490 1_|a Frontiers. br>
500 __|a Copyright permission expires 08/17/08. br>
500 __|a Title from web site description. br>
511 0_|a Hosted by Alan Alda. br>
520 __|a The best-kept secret of American archeology is now revealed - an entire canyon of perfectly preserved 1,000-year-old remains. Who were these people - and where did they come from? 30 minutes. br>
521 __|a Middle school to adult. br>
546 __|a Closed captioned for the hearing impaired. br>
650 _0|a Human remains (Archaeology). br>
650 _0|a Excavations (Archaeology). br>
700 1_|a Alda, Alan, |d 1936- br>
710 2_|a Chedd-Angier Production Company br>
710 2_|a Connecticut Public Television br>
710 2_|a PBS br>
710 2_|a Scientific American, inc. br>
830 _0|a Scientific American frontiers (Series) br>
856 42|a http://www.pbs.org/saf/ br>