Appendix D Cultural Resources Technical Report This page intentionally left blank CULTURAL RESOURCES SURVEY REPORT FOR THE PROPOSED SAN DIEGO GAS & ELECTRIC COMPANY TL674A RECONFIGURATION & TL666D REMOVAL PROJECT SAN DIEGO COUNTY, CALIFORNIA Prepared for: San Diego Gas & Electric Company 8330 Century Park Court San Diego, California 92123 Prepared by: Shannon Foglia, M.A., RPA, Theodore G. Cooley, M.A., RPA, and Monica Mello, M.A. with contributions by: Brian Spelts, B.A. Rachel Droessler, B.S. Tim Wolfe, B.A. Earl Morales, B.A. AECOM 401 West A Street, Suite 1200 San Diego, California 92101 (619) 610-7600 August 2017 National Archaeological Data Base Information Author(s): Shannon E. Foglia, M.A., RPA; Theodore G. Cooley, M.A., RPA; and Monica Mello, M.A., with contributions by Brian Spelts, B.A., Rachel Droessler, B.S., Tim Wolfe, B.A., and Earl Morales, B.A. Consulting Firm: AECOM 401 West A Street, Suite 1200 San Diego, California 92101 (619) 610-7600 Report Date: August 2017 Report Title: TL674A Reconfiguration & TL666D Removal Project, San Diego County, California Type of Study: Phase I Inventory and Field survey New Sites: CA-SDI-22046, CA-SDI-22047, CA-SDI-22048, P-37-036421, P-37-036427, P-37-036428, P-37-036429, P-37-036424, P-37-36425, P-37-036426, P-37-036418, P-37-036412, P-37-036413, P-37-036415, P-37-036417, P-37-036422, P-37-036423, and P-37-036419 Updated Sites: CA-SDI-191, CA-SDI-192, CA-SDI-193, CA-SDI-197, CA-SDI-531, CA-SDI-686, CA-SDI-5957, CA-SDI-7289, CA-SDI-10143, CA-SDI-12121, CA-SDI-12122, CA-SDI-14456, CA-SDI-14457, CA-SDI-14458, CA-SDI-14460, CA-SDI-16237, CA-SDI-16653, CA-SDI-17388, CA-SDI-20839, P-37-014052, P-37-016571, P-37-016572, P-37-033076, P-37-033077, P-37-034567, P-37-035936, and P-37-036430 USGS Quadrangle: Del Mar 7.5’ Acreage: 318.66 Acres Project Number: 60515408 Keywords: San Diego Gas & Electric Company; Torrey Pines State Reserve Extension Area; Del Mar; Del Mar Substation; San Dieguito River; San Dieguito Lagoon; Peñasquitos Lagoon; TL666D; TL674; power line; prehistoric archaeological sites; historic archaeological sites; multi-component archaeological sites; cistern; railroad; historic road alignment; prehistoric isolate; historic isolates; built environment structure. 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TABLE OF CONTENTS Section Page EXECUTIVE SUMMARY .............................................................................................................v CHAPTER 1 – INTRODUCTION ..................................................................................................1 Proposed Project Description and Study Area ....................................................................... 1 Regulatory Setting ................................................................................................................. 6 Proposed Project Personnel.................................................................................................... 7 Report Organization ............................................................................................................... 8 CHAPTER 2 – PROJECT SETTING ..............................................................................................9 Natural Setting ....................................................................................................................... 9 Physiography and Geology ............................................................................................9 Flora and Fauna..............................................................................................................9 Cultural Setting .................................................................................................................... 10 Prehistory .....................................................................................................................10 Ethnohistory .................................................................................................................15 Historical Background .................................................................................................16 CHAPTER 3 – ARCHIVAL RESEARCH AND CONTACT PROGRAM .................................31 Records Search..................................................................................................................... 31 Previous Surveys ..........................................................................................................31 Previously Recorded Sites ...........................................................................................45 Other Archival Research ...................................................................................................... 56 Historic Maps ...............................................................................................................57 Government Land Office Plat Maps ............................................................................64 Land Patents .................................................................................................................64 Native American Contact Program ..............................................................................68 CHAPTER 4 METHODS ..............................................................................................................71 Survey Methodology ............................................................................................................ 71 Archaeological Pedestrian Survey ...............................................................................71 Architectural Reconnaissance Survey ..........................................................................72 Documentation .............................................................................................................72 Site Types............................................................................................................................. 76 Prehistoric ....................................................................................................................76 Historic .........................................................................................................................77 Multi-component..........................................................................................................78 Unknown ......................................................................................................................78 Isolates .........................................................................................................................78 CHAPTER 5 – RESULTS .............................................................................................................79 Site Descriptions .................................................................................................................. 81 Previously Recorded Archaeological Sites within the Study Area ..............................81 TL674A Reconfiguration & TL666D Removal Project Page i Section Page Previously Recorded Isolates within the Study Area ...................................................88 Newly Identified Archaeological Sites within the Study Areas ..................................89 Newly Identified Isolates within the Study Areas .......................................................89 Built Environment Resources .............................................................................................. 90 Previously Recorded Built Environment Resources within the Survey Area ..............91 Newly Identified Built Environment Resources within the Survey Area ....................92 Other Locations of Activities, Objects, or Infrastructure ............................................96 Discussion ............................................................................................................................ 97 Prehistoric Resources ...................................................................................................97 Historic Resources .....................................................................................................100 Built Environment Resources ....................................................................................101 CHAPTER 6 – SUMMARY AND MANAGEMENT RECOMMENDATIONS ......................103 Summary and Recommendations ...................................................................................... 105 Prehistoric Archaeological Resources .......................................................................105 Historic Archaeological Resources ............................................................................107 Multi-component........................................................................................................107 Built Environment ......................................................................................................108 Impact Analysis and Management Recommendations ...................................................... 112 CHAPTER 7 – REFERENCES ...................................................................................................125 ATTACHMENTS 1 Resumes 2 Native American Contact Program 3 DPR Site Forms – Confidential 4 Confidential Report Figures – Confidential Page ii TL674A Reconfiguration & TL666D Removal Project LIST OF FIGURES Figure Page 1 Regional Location ................................................................................................................... 2 2 Proposed Project Area Location ............................................................................................