1. U.S. Bureau of Labor Statistics 2019 May 2018 State Occupational Employment and Wage Estimates: Wyoming. U.S. Bureau of Labor Statistics, Washington, DC. Electronic document, https://www.bls.gov/oes/current/oes_wy.htm, accessed January 22, 2020.
2. Di Giuseppantonio Di Franco, Paola 2014 Rethinking Materiality: The Engagement of Mind with the Material World . PhD dissertation, World Cultures Department, University of California, Merced. Available from UC Merced Electronic Theses and Dissertations, https://escholarship.org/uc/item/931833px.
3. Buffalo Bill Center of the West 2020 Skype in the Classroom. Electronic document, https://centerofthewest.org/learn/school-programs/skype/, accessed January 22, 2020.
4. Rowe, Christopher M. 2019 With Landowner's Permission: An Examination of Archaeological Trends between Public and Private Land in Crook County, Wyoming . Master's thesis, Anthropology Department, University of Wyoming, Laramie. Available from Dissertations & Theses, University of Wyoming.
5. History Colorado 2020 Program for Avocational Archaeological Certification (PAAC). Electronic document, https://www.historycolorado.org/paac, accessed January 22, 2020.