Appendix T Archaeological Resource Inventory and Impact Assessment Technical Report Archaeological Resource Inventory and Impact Assessment Technical Report Prepared in Support of the Los Angeles Convention and Event Center Project, Los Angeles, California Edited by John G. Douglass and Richard Ciolek-Torello Submitted to L.A. Event Center, LLC 800 West Olympic Boulevard, Suite 300 Los Angeles, CA 90015 Technical Report 11-38 Statistical Research, Inc. P.O. Box 390 Redlands, CA 92373-0123 Archaeological Resource Inventory and Impact Assessment Technical Report Prepared in Support of the Los Angeles Convention and Event Center Project, Los Angeles, California Edited by John G. Douglass and Richard Ciolek-Torello Submitted to L.A. Event Center, LLC 800 West Olympic Boulevard, Suite 300 Los Angeles, CA 90015 Technical Report 11-38 Statistical Research, Inc. P.O. Box 390 Redlands, CA 92373-0123 October 2011 C O N T E N T S List of Figures ........................................................................................................................................... vii List of Tables .............................................................................................................................................. ix List of Acronyms and Abbreviations ....................................................................................................... xi 1. Introduction, by John G. Douglass and Richard Ciolek-Torello ..................................................... 1.1 2. Executive Summary, by John G. Douglass and Richard Ciolek-Torello........................................ 2.1 Introduction ......................................................................................................................................... 2.1 Brief Description of Sections of the Technical Report........................................................................ 2.2 Summary of Findings .......................................................................................................................... 2.2 3. Regulatory Setting, by John G. Douglass ......................................................................................... 3.1 National Historic Preservation Act...................................................................................................... 3.1 National Register of Historic Places.................................................................................................... 3.2 California Register of Historical Resources........................................................................................ 3.3 Applying the NRHP– and California Register–Eligibility Criteria..................................................... 3.4 California Public Resources Code and Associated Regulations.......................................................... 3.4 Health and Safety Codes ..................................................................................................................... 3.7 California State Senate Bill 18 ............................................................................................................ 3.7 Los Angeles Municipal Code .............................................................................................................. 3.7 City of Los Angeles Historic-Cultural Monument.............................................................................. 3.8 4. Cultural Setting and Previous Research, by John G. Douglass, Richard Ciolek-Torello, Angel Tomes, and Mark Sutton................................................................................................................... 4.1 A Cultural Chronology for Coastal Southern California and the Los Angeles Area .......................... 4.1 Paleocoastal Period....................................................................................................................... 4.4 Millingstone Period....................................................................................................................... 4.5 Intermediate Period....................................................................................................................... 4.7 Late Period.................................................................................................................................... 4.8 Protohistoric and Early Historical (Mission) Period................................................................... 4.10 Historical Period ......................................................................................................................... 4.12 Important Archaeological Projects in the Downtown Area ........................................................ 4.15 The Village of Ya’angna and LAN-1595/H......................................................................... 4.15 Los Angeles Chinatown ....................................................................................................... 4.16 LA Plaza de Cultura y Artes................................................................................................. 4.16 Los Angeles Cathedral Project............................................................................................. 4.17 Zanja Madre ......................................................................................................................... 4.17 5. Record Research, Pedestrian Survey, and Archival Research for the Proposed Project Area, by Holly Warner and Angel Tomes .................................................................................................. 5.1 Record Search...................................................................................................................................... 5.1 Methods ........................................................................................................................................ 5.1 Results........................................................................................................................................... 5.1 Previous Investigations........................................................................................................... 5.6 Pedestrian Survey................................................................................................................................ 5.6 Methods ........................................................................................................................................ 5.6 v Results........................................................................................................................................... 5.9 Archival Research ............................................................................................................................. 5.10 Methods ...................................................................................................................................... 5.10 Results......................................................................................................................................... 5.10 6. Evaluation of Potential Impacts, by John G. Douglass and Richard Ciolek-Torello .................... 6.1 Introduction ......................................................................................................................................... 6.1 Determination of Significance and Significance Thresholds .............................................................. 6.1 Potential Historical Resources in the Proposed Project Area.............................................................. 6.2 Recommendations to Mitigate Potential Impacts to Historical Resources......................................... 6.6 Cumulative Impacts............................................................................................................................. 6.7 Residual Impacts after Mitigation ....................................................................................................... 6.8 7. Native American Consultation, by John G. Douglass...................................................................... 7.1 Refrences Cited.................................................................................................................................. Refs.1 vi LIST OF FIGURES Figure 1.1. Vicinity map for the Convention and Event Center Project .................................................... 1.2 Figure 1.2. Area map for the Convention and Event Center Project ......................................................... 1.3 Figure 1.3. Aerial photograph of the existing Proposed Project site ......................................................... 1.4 Figure 1.4. Map of the Proposed Project site............................................................................................. 1.6 Figure 4.1. Chronology chart for the Los Angeles Basin and comparison with nearby regional chronologies .......................................................................................................................... 4.2 Figure 4.2. Map of the Los Angeles Basin and the location of major archaeological sites discussed in Chapter 4......................................................................................................................... 4.3 Figure 5.1. Previously recorded cultural resources within a half-mile radius of the Proposed Project site .......................................................................................................................................... 5.2 Figure 5.2. Previous investigations in the Proposed