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Drone Photograph of the 2019 Field Season at the Harold Bergman Site, Albany County, WY
My research focuses on problems related to the hunter-gatherer archaeology of Pleistocene North America in the Plains and Rocky Mountains. I have methodological strengths in geoarchaeology, faunal analysis and zooarchaeology by mass spectrometry, geospatial analysis, and lithic analysis and have worked in Belize, Florida, Arizona, Mexico, Alaska, Wyoming, and Colorado.
Education
2024 Ph.D. Anthropology, University of Wyoming, Laramie, WY
2019 M.A. Anthropology, University of Wyoming, Laramie, WY
2015 B.A. Anthropology, University of Central Florida, Orlando, FL
Published Works
*pdfs available upon request if not linked below
2025 Hill, Matthew G., Christopher C. Widga, Todd A. Surovell, Kurt M. Wilson, Sarah A. Allaun, McKenna L. Litynski, Jason Titcomb. An update on Aenocyon dirus in the interior of North America: new records, radiocarbon dates, ZooMS spectra, and isotopic data for an iconic late Pleistocene carnivore. PeerJ 13:e19219. https://doi.org/10.7717/peerj.19219
2024 Pelton, Spencer R., McKenna L. Litynski, Sarah A. Allaun, Michael Buckley, Jack A. Govaerts, Todd A. Schoborg, Matthew J. O'Brien, Matthew G. Hill, Paul H. Sanders, Madeline E. Mackie, Robert L. Kelly, and Todd A. Surovell. Early Paleoindian use of fur bearers for bone needle production. PLOS ONE 19(11):e0313610. https://doi.org/10.1371/journal.pone.0313610
2024 Allaun, Sarah A., Chase M. Mahan, & Todd A. Surovell. Growing Evidence of a Younger than Clovis Cultural Affiliation: Redating the Sheaman Site. PaleoAmerica, 1-10. https://doi.org/10.1080/20555563.2024.2387940
2024 Pelton, Spencer R., Todd A. Surovell, Sarah A. Allaun, McKenna L. Litynski, Paul H. Sanders, Robert L. Kelly, Madeline E. Mackie, & Matthew J. O’Brien. Estimating the Size and Density of the La Prele Site: Implications for Early Paleoindian Group Size. Journal of Archaeological Method and Theory, 1-28. https://doi.org/10.1007/s10816-024-09662-9
2024 Surovell, Todd A., McKenna L. Litynski, Sarah A. Allaun, Michael Buckley, Todd A. Schoborg, Jack A. Govaerts, Matthew J. O'Brien, Spencer R. Pelton, Paul H. Sanders, Madeline E. Mackie, & Robert L. Kelly. Use of hare bone for the manufacture of a Clovis bead. Scientific Reports 14, 2937. https://doi.org/10.1038/s41598-024-53390-9
2023 Allaun, Sarah A., Todd A. Surovell, C. Vance Haynes, Spencer R. Pelton, Madeline E. Mackie, Robert L. Kelly, Matthew O’Brien, Paul H. Sanders, José M. Capriles and Shannon Mahan. The Geochronological and geoarchaeological context of the Clovis-age La Prele Mammoth site (48CO1401), Converse County, Wyoming. Paleoamerica. https://doi.org/10.1080/20555563.2023.2245191
2023 Clark, Julanne M., Charles W. Koenig, Sarah A. Allaun, and Todd A. Surovell. A Newly Identified Ceramic Site in Carbon County, Wyoming. The Wyoming Archaeologist 66(1):9-18.
2023 Koenig, Charles W., Amanda M. Castañeda, McKenna L. Litynski, Todd A. Surovell, Sarah A. Allaun. The DeBarard Earth Oven (48AB3354): Hot rock cooking in the Laramie Basin. The Wyoming Archaeologist 65(2):40-51. (pdf)
2023 Mahan, Chase M., Sarah A. Allaun, Jessi J. Halligan, Todd A. Surovell. The weathering and scavenging of keratin. Journal of Archaeological Science: Reports 47: 103807. https://doi.org/10.1016/j.jasrep.2022.103807
2022 Pelton, Spencer R., Lorena Becerra-Valdivia, Alexander Craib, Sarah A. Allaun, Chase Mahan, Charles Koenig, Erin Kelley, George Zeimens, and George C. Frison. In situ evidence for Paleoindian hematite quarrying at the Powars II site (48PL330), Wyoming. PNAS 119(20)e2201005119. https://doi.org/10.1073/pnas.2201005119
2022 Surovell, Todd A., Sarah A. Allaun, Barbara A. Crass, Joseph A. M. Gingerich, Kelly E. Graff, Charles E. Holmes, Robert L. Kelly, Marcel Kornfeld, Kathryn E. Krasinski, Mary Lou Larson, Spencer R. Pelton, and Brian T. Wygal. Late date of human arrival to North America: Continental scale differences in stratigraphic integrity of pre-13,000 BP archaeological sites. PLoS ONE 17(4): e0264092. https://doi.org/10.1371/journal.pone.0264092
2021 Allaun, Sarah A. and Todd A. Surovell. Investigation of a Reported Clovis Point Discovery from the Rocky Mountains. Southwestern Lore 87(4):1-10.
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