ACKNOWLEDGMENTS
Our research at CA-ANI-2 was supported by Channel Islands National Park and our home institutions. We thank Kelly Minis, Ann Huston, Leslie Reeder-Myers, Lauren Willis, Chris Wolff, and John Robbins for logistical help or help in the field and laboratory. Funds for oxygen isotopic research were provided by the Smithsonian Institution. All samples were processed at the University of Oregon Isotope lab by Jim Palandri and lead author. We thank the editors of the Journal of Island and Coastal Archaeology and anonymous reviewers.
SUPPLEMENTAL MATERIAL
Reported stable oxygen and carbon isotope data for mussel shells from Anacapa 2 can be found online at http://www.dx.doi.org/10.1080/15564894.2013.861547.