Prehistoric cultural affiliation(s) include American, Native American, Northern Plains Indian, Archaic, Paleoindian, Late Prehistoric, Middle Plains Archaic, Folsom, Paleo-Indian, American,Traders and Protohistoric dating back to 8999 BC.
Several famous people are associated with these Big Horn County historic places including Henry Clay Lovell and Joseph Newton DeBarthe.
Some of the country's most noteable architects helped create the Big Horn County places including Monarch Engineering Co., Louis A. Simon, Henry Clay Lovell, McGuire & Blakeslee, US Department of the Treasury, Manuel A. Bromberg, Wyoming Highway Dept., Midland Bridge Co., Office of Supervising Architect and Gagnon & Co.. Prominent architectural styles found in Big Horn Country are Classical Revival, Early Commercial and Romanesque.