“…The archaeological correlates of the MCA across California have been identified as disruptions in exchange systems (Arnold, 1992;Gilreath and Hildebrandt, 1997;Jones et al, 1999), subsistence shifts (Collins, 2010;Kennett and Kennett, 2000), altered settlement patterns (Gardner, 2006;Hull, 2007;Jones and Ferneau, 2002), and higher levels of disease, undernutrition, and violence (Andrushko et al, 2005;Jones and Schwitalla, 2008;Lambert, 1994Lambert, , 1997Pilloud et al, 2014;Raab and Larson, 1997;Schwitalla, 2013;Schwitalla and Jones, 2012;Schwitalla et al, 2014).…”