Helpful Websites
http://www.mathcs.bethel.edu/~gossett/DiscreteMathWithProof/sacajawea/sacajawea.html
http://www.encyclopedia.com/topic/Sacajawea.aspx
http://www.encyclopedia.com/doc/1G2-2536600838.html
http://www.rootsweb.ancestry.com/~nwa/sacajawea.html
http://www.biography.com/articles/Sacagawea-9468731
http://www.biographybase.com/biography/Sacagawea.html
http://www.pbs.org/lewisandclark/inside/saca.html
http://sacagaweabiography.com/