ARCHAEOLOGICAL RESOURCE SURVEY, EASTERN PORTION OF RITIDIAN UNIT, GNWR, 2015 1 FINAL REPORT Archaeological resource survey of 27.02 hectares at the eastern portion of the Ritidian Unit of Guam National Wildlife Refuge Prepared by Mike T. Carson, Ph.D. James M. Bayman, Ph.D. Charmaine Ledesma, B.A. Jacy Moore, M.A. Hiro Kurashina, Ph.D. Sandra Monton-Subias, Ph.D. John A. Peterson, Ph.D. Document prepared for U.S. Fish and Wildlife Service (USFWS) Micronesian Area Research Center (MARC) University of Guam (UOG) UOG Station Mangilao, Guam 96923 December 2015