Tim Kohler, regents professor, Laura J. Ellyson, doctoral student, and R. Kyle Bocinsky, alumnus (PhD ’14), anthropology, coauthored “Beyond One-Shot Hypotheses: Explaining Three Increasingly Large Collapses in the Northern Pueblo Southwest” in Going Forward by Looking Back: Archaeological Perspectives on Socio-Ecological Crisis, Response and Collapse (Berghahan Books, New York).