APPENDIX E Cultural Resources Report Part 1 CULTURAL RESOURCES REPORT for the JVR ENERGY PARK PROJECT, SAN DIEGO COUNTY, CALIFORNIA Lead Agency: County of San Diego Planning and Development Services Contact: Donna Beddow 5510 Overland Ave, Suite 110 San Diego, California 92123 Prepared by: Matthew DeCarlo, MA, Jessica Colston, BA, and Micah Hale, Ph.D., RPA 605 Third Street Encinitas, California 92024 Approved by: _________________ Micah Hale, Ph.D., RPA Prepared for: Patrick Brown Director of Development BayWa R.E. Solar Projects, LLC 17901 Von Karman Avenue, Suite 1050 Irvine, California 92614 JUNE 2021 Printed on 30% post-consumer recycled material. National Archaeological Database (NADB) Information Authors: Matthew DeCarlo, MA, Jessica Colston, BA, and Micah J. Hale, PhD, RPA Firm: Dudek Project Proponent: BayWa R.E. Solar Projects, LLC 17901 Von Karman Avenue, Suite 1050 Irvine, California 92614 Report Date: July 2020 (Updated June 2021) Report Title: Cultural Resources Report for the JVR Energy Park Project, San Diego County, California Type of Study: Survey and Archaeological Evaluation New Sites: CA-SDI-22725, CA-SDI-22726, CA-SDI-22727, CA-SDI-22728, CA-SDI-22729, CA-SDI- 22730, CA-SDI-22731, CA-SDI-22732, CA-SDI-22733, P-37-038609, P-37-038610, P-37- 038611, P-37-038612, P-37-038613, P-37-038614, P-37-038615, P-37-038616, P-37- 038617, P-37-038618, P-37-038619, P-37-038620, P-37-038621, P-37-038622, P-37- 038623, P-37-038624, P-37-038625, P-37-038626, P-37-038627, P-37-038628, P-37- 038629, P-37-038630, P-37-038631, P-37-038632, and P-37-038633 Updated Sites: CA-SDI-4455, CA-SDI-4457/H, CA-SDI-4459, CA-SDI-6741, CA-SDI-7054, CA-SDI-7056, CA- SDI-8072, CA-SDI-8430, CA-SDI-11675, CA-SDI-11676, CA-SDI-11677, CA-SDI- 11681, CA-SDI-11682, CA-SDI-11684, CA-SDI-11685, CA-SDI-11686, CA-SDI-11688, CA-SDI- 11689, CA-SDI-19070, CA-SDI-19904, CA-SDI-19905, CA-SDI-19906, CA-SDI- 19907, CA- SDI-19908, CA-SDI-19909, CA-SDI-19910, CA-SDI-21758, CA-SDI-21764, and P-37- 030190 USGS Quads: Jacumba Overextended South, CA/BC 1:24,000; T 18 S, R 8 E; Section 4, 5, 8, and 9. Acreage: 1,356 acres (Project Area); 643 626 acres (ADI) Permit Numbers: PDS2018-MUP-18-022 Keywords: Inventory; Evaluation; lithic scatter; groundstone; flakedstone tool; retouched flake; simple flake tool; millingstone; debitage; quarry; shovel test pit; surface collection; shovel scrape; not significant; not eligible; CRHR; CA-SDI-4455, CA-SDI-4457/H, CA-SDI-4459, CA-SDI- 6741, CA-SDI-7054, CA-SDI-7056, CA-SDI-8072, CA-SDI-8430, CA-SDI-11675, CA-SDI- 11676, CA-SDI-11677, CA-SDI-11681, CA-SDI-11682, CA-SDI-11684, CA-SDI-11685, CA- SDI-11686, CA-SDI-11688, CA-SDI-11689, CA-SDI-19070, CA-SDI-19904, CA-SDI-19905, CA-SDI-19906, CA-SDI-19907, CA-SDI-19908, CA-SDI-19909, CA-SDI-19910, CA-SDI- 21758, CA-SDI-21764, CA-SDI-22725, CA-SDI-22726, CA-SDI-22727, CA-SDI- 22728, CA- SDI-22729, CA-SDI-22730, CA-SDI-22731, CA-SDI-22732, CA-SDI-22733, P-37-030190, 10743 i June 2021 CULTURAL RESOURCES REPORT FOR THE JVR ENERGY PARK PROJECT P-37-038609, P-37-038610, P-37-038611, P-37-038612, P-37-038613, P-37-038614, P-37-038615, P-37-038616, P-37-038617, P-37-038618, P-37-038619, P-37-038620, P-37-038621, P-37-038622, P-37-038623, P-37-038624, P-37-038625, P-37-038626, P-37-038627, P-37-038628, P-37-038629, P-37-038630, P-37-038631, P-37-038632, P-37-038633 10743 ii June 2021 Table of Contents SECTION PAGE NO. NATIONAL ARCHAEOLOGICAL DATABASE (NADB) INFORMATION ................................................................................. I LIST OF ACRONYMS AND ABBREVIATIONS ................................................................................................................. VII MANAGEMENT SUMMARY ............................................................................................................................................ IX 1.0 INTRODUCTION ................................................................................................................................................. 1 1.1 Project Description ................................................................................................................................. 1 1.1.1 Project Area and Area of Direct Impacts ................................................................................. 1 1.1.2 Indirect Impacts Area of Potential Effects ............................................................................... 2 1.2 Existing Conditions ................................................................................................................................. 2 1.2.1 Environmental Setting .............................................................................................................. 2 1.2.2 Records Search Results ........................................................................................................ 15 1.3 Applicable Regulations ........................................................................................................................ 20 1.3.1 State Level Regulations ......................................................................................................... 21 1.3.2 San Diego County Local Register of Historical Resources .................................................. 22 1.3.3 County of San Diego Resource Protection Ordinance (RPO) ............................................... 23 2.0 GUIDELINES FOR DETERMINING SIGNIFICANCE ........................................................................................... 25 2.1 County of San Diego ............................................................................................................................ 25 2.2 CEQA ..................................................................................................................................................... 26 3.0 RESEARCH DESIGN ........................................................................................................................................ 29 3.1 Integrity and Structure of Archaeological Deposits ........................................................................... 29 3.2 Chronological Placement .................................................................................................................... 30 3.3 Settlement and Site Function ............................................................................................................. 31 3.4 Subsistence ......................................................................................................................................... 33 3.5 Prehistoric Quarrying ........................................................................................................................... 33 4.0 ANALYSIS OF PROJECT EFFECTS ................................................................................................................... 35 4.1 Methods ............................................................................................................................................... 35 4.1.1 Field Methods ........................................................................................................................ 35 4.1.2 Native American Correspondence and Participation ........................................................... 37 5.0 RESULTS ......................................................................................................................................................... 39 5.1 Inventory Results ................................................................................................................................. 39 5.1.1 Archaeological Resources within the ADI ............................................................................. 41 5.1.2 Surveyed Archaeological Resources within Project Area .................................................... 55 5.2 Project Artifact Recovery Summary .................................................................................................... 58 5.3 Summary of Cultural Resources Investigations in the JVR Project Area .......................................... 59 10743 iii June 2021 CULTURAL RESOURCES REPORT FOR THE JVR ENERGY PARK PROJECT 6.0 INTERPRETATION OF RESOURCE IMPORTANCE AND IMPACT IDENTIFICATION ........................................... 63 6.1 Resource Importance and Management Concerns .......................................................................... 63 6.1.1 Jacumba Valley Archaeological District (JVAD) .................................................................... 65 6.1.2 Integrity ................................................................................................................................... 65 6.1.3 Chronology.............................................................................................................................. 65 6.1.4 Settlement and Site Function ............................................................................................... 67 6.2 Resource Importance and Evaluation of Tested Sites .......................................................................... 67 6.3 Impact Identification ........................................................................................................................... 68 6.4 Tribal Cultural Resources .................................................................................................................... 69 7.0 MANAGEMENT CONSIDERATIONS— MITIGATION MEASURES AND DESIGN CONSIDERATIONS .................. 71 7.1 Unavoidable Impacts ..........................................................................................................................