hether hoffmann's List: Cahokia Mounds and St. Louis Arch

www4.uwm.edu/...birdman.cfm research

www4.uwm.edu/...mapping.cfm

ngm.nationalgeographic.com/...burmeister-photography

www.diigo.com/...hokia-mounds-and-st-louis-arch

www.chicagotribune.com/...-tr-may08,0,3307717,full.story

www.uc.edu/NR.aspx

dnr.wi.gov/...archaeology

publications.newberry.org/...moundbuilders indians midwest

publications.newberry.org/...how-we-know