Cultural Resources Inventory Report for the Riverwalk Project, City of San Diego, County of San Diego, California
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CULTURAL RESOURCES INVENTORY REPORT FOR THE RIVERWALK PROJECT, CITY OF SAN DIEGO, COUNTY OF SAN DIEGO, CALIFORNIA Prepared for / Submitted to: Hines 11545 W Bernardo Ct # 204 San Diego, CA 92127 Spindrift Project No. 2017-006 Prepared by Arleen Garcia-Herbst October 2017 8895 Towne Centre Drive #105-248 San Diego, California 92122 Phone: 858-333-7202 Fax: 855-364-3170 TABLE OF CONTENTS Executive Summary .............................................................................................................. ES-1 Section 1 Introduction ...................................................................................................... 1-1 1.1 Project Location ..................................................................................................... 1-1 1.2 Project Description ................................................................................................ 1-2 1.3 Regulatory Context Summary ............................................................................... 1-3 1.4 Area of Potential Effects (APE) ............................................................................ 1-4 1.5 Report Organization .............................................................................................. 1-4 Section 2 Setting ............................................................................................................... 2-1 2.1 Existing Conditions ............................................................................................... 2-1 2.1 Regulatory Setting ............................................................................................... 2-14 Section 3 Methods ............................................................................................................ 3-1 3.1 Personnel Qualifications ........................................................................................ 3-1 3.2 Record Search Methods ......................................................................................... 3-1 3.3 Native American Coordination Methods ............................................................... 3-2 3.4 Field Methods ........................................................................................................ 3-2 Section 4 Results and Management Recommendations .............................................. 4-1 4.1 Records Search ...................................................................................................... 4-1 4.2 Literature Review .................................................................................................. 4-4 4.3 Native American Consultation Results ................................................................. 4-7 4.4 Field Survey Results .............................................................................................. 4-7 4.5 Management Considerations ................................................................................. 4-9 Section 5 References ........................................................................................................ 5-1 Figures Figure 1 Project Location Map Figure 2 Project Area Map Figure 3 Records Search Boundary Map Figure 4 Confidential Records Search Results Appendices Appendix A Records Search Confirmation Table A-1 Previous Investigations Within a 1-mile Radius of the Project APE Table A-2 Previously Recorded Sites Table A-3 Caltrans Bridges within the Project APE and Vicinity Appendix B Native American Coordination Appendix C Photos and Photo Log Appendix D Confidential DPR Forms (Bound Separately) SPINDRIFT i List of Acronyms and Abbreviations AD Anno Domini APE Area of Potential Effects BC Before Christ BP Before Present BOR Bureau of Reclamation Caltrans California Department of Transportation CCR California Code of Regulations CEQA California Environmental Quality Act CHL California Historical Landmarks CHRIS California Historical Resources Information System cmbs centimeters below the ground surface County County of San Diego CRHR California Register of Historical Resources CRM Cultural Resource Management EIR Environmental Impact Report FEMA Federal Emergency Management Agency HRG Historical Resources Guidelines LDC Land Development Code LF Linear Feet NAHC Native American Heritage Commission NEPA National Environmental Protection Act NFHL National Flood Hazard Layer NHPA National Historic Preservation Act NPS National Park Service NRCS Natural Resources Conservation Service NRHP National Register of Historic Places MEAP Maintenance and Emergency Access Paths MLD Most Likely Descendant Project Riverwalk Project PI Principal Investigator PRC Public Resources Code PVC Polyvinyl Chloride SCIC South Coastal Information Center SDMoM San Diego Museum of Man SFHA Special Flood Hazard Area SSURGO Soil Survey Geographic Spindrift Spindrift Archaeological Consulting, LLC TS Trunk Sewer UCSB University of California Santa Barbara USGS United States Geological Survey VC Vitrified Clay SPINDRIFT ii NADB National Archaeological Database Author: Arleen Garcia-Herbst Consulting Firm: Spindrift Archaeological Consulting Report Date: October 2017 Report Title: Cultural Resources Inventory Report for the Riverwalk Project, City of San Diego, County of San Diego, California Prepared by: Spindrift Archaeological Consulting, 8895 Towne Centre Drive #105-248, San Diego, California 92122 Submitted to: Hines Project No. 2017-006 Acreage approximately 160.6 acres Keywords: Riverwalk, Sites P-37-004675, P-37-011722, P-37-011766, P-37-011767, P-37- 012126, P-37-012127, P-37-012128, P-37-012129, P-37-012132, P-37-012220, P-37-012862, P-37-014963, P-37-024559, and P-37-024560 SPINDRIFT iii Executive Summary EXECUTIVE SUMMARY In 2017, Hines retained Spindrift Archaeological Consulting, LLC (Spindrift) to conduct a cultural resources inventory of the proposed Riverwalk Project (hereafter known as Project) in the County of San Diego. The entire Project Area of Potential Effects (APE) is composed of approximately 160.6 acres. The study included records searches, a literature review and a field site visit. The records search results indicated 393 previous cultural resources studies (Table 1 in Appendix A) were conducted within a 1-mile radius of the Project APE, and 141 cultural resources have previously been recorded within a 1-mile radius of the Project APE (Table 2 in Appendix A). Twelve (12) cultural resources have been previously recorded within the Project APE (Site # P-37- 004675, P-37-011722, P-37-011766, P-37-011767, P-37-012126, P-37-012127, P-37-012128, P-37- 012129, P-37-012132, P-37-012220, P-37-012862, and P-37-014963). A field site visit was conducted as part of this study. Previously documented Site # P-37-011722, P-37- 011766, P-37-011767, P-37-012126, P-37-012220, and P-37-012862 were re-located and updated, while P-37-004675, P-37-012127, P-37-012128, P-37-012129, P-37-012132, and P-37-014963 were not found. No (0) new cultural resources were identified as part of this field site visit. Recommendations for the management of unanticipated discoveries are provided in this report. SPINDRIFT ES-1 SECTIONONE Introduction SECTION 1 INTRODUCTION In 2017, Spindrift was retained by Hines to conduct a cultural resources inventory of the proposed Riverwalk Project (Project), located in San Diego County (County), California. A records search, literature review and field site visit of the approximately 160.6-acre Project was required to identify potentially significant cultural resources that could be affected by the project. 1.1 PROJECT LOCATION The Project is located within Mission Valley in the County of San Diego (County). The area affected by the proposed Project (development footprint or Area of Potential Effects (APE)) is comprised of an approximately 160.6-acre area (Figure 1). Mission Valley is a wide river valley trending east-west in San Diego, California, through which the San Diego River flows to the Pacific Ocean. For planning purposes, the city of San Diego divides it into two neighborhoods: Mission Valley East and Mission Valley West—the Project is in Mission Valley West. The Valley was the site of the first Spanish settlement in California, established in 1769. Mission Valley currently serves as an important shopping and entertainment center for San Diego. Several condominiums and apartments can also be found in the area (Figure 2). The Project APE is shown on the United States Geological Survey (USGS) 7.5-minute La Jolla topographic quadrangle (1967; photorevised 1975) (Figure 3). For our technical report, we have designated the site into three geographic areas with the associated developments: • Area 1 is the northern area between Friars Road and the trolley rail line and will include multi- family residential, neighborhood retail, and a trolley station development. • Area 2 is located between the trolley and the San Diego River and will include multi- family residential, reuse of the clubhouse for a community amenity and park uses. • Area 3 is located south of the river and will include commercial and park development. The project site encompasses the approximately 195-acre Riverwalk Golf Course and clubhouse building site. The site is situated in the western portion of central Mission Valley. The project site abuts Friars Road on the north; Fashion Valley Road on the east; a portion of Hotel Circle North on south; and privately owned undeveloped property to the southwest. The San Diego River, as well as a segment of Green Line Trolley tracks, traverses the project site in an east-west direction. The site