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CULTURAL and PALEONTOLOGICAL RESOURCES ASSESSMENT This Document Is Designed for Double-Sided Printing to Conserve Natural Resources 8.2 CULTURAL AND PALEONTOLOGICAL RESOURCES ASSESSMENT This document is designed for double-sided printing to conserve natural resources. CULTURAL AND PALEONTOLOGICAL RESOURCES ASSESSMENT MEMO FOR THE CANNON AND SERRANO INTERSECTION WIDENING PROJECT, CITY OF ORANGE, ORANGE COUNTY, CALIFORNIA Prepared for: Kristen Bogue Senior Environmental Specialist Michael Baker International Authors: Sandy Duarte, B.A.; Kim Scott, M.S. Principal Investigator For Archaeology: Desireé Martinez, M.A., RPA Principal Investigator For Paleontology: Kim Scott, M.S. June 2020 Cogstone Project Number: 4703 Type of Study: Cultural and Paleontological Resources Assessment Archaeological Sites: none Paleontological Localities: 6 localities from the Sespe-Vaqueros Formation within ~ 1 mile USGS Quadrangle: Orange 7.5’ Area: 3.17 acres Key Words: Negative survey, cultural resources assessment, late Oligocene to early Miocene undifferentiated Sespe-Vaqueros Formation, Pleistocene to Holocene alluvial fans 1518 West Taft Avenue Field Offices cogstone.com Orange, CA 92865 San Diego • Riverside • Morro Bay • Sacramento • Arizona Toll free 888-333-3212 Office (714) 974-8300 Federal Certifications WOSB, EDWOSB, SDB State Certifications DBE, WBE, SBE, UDBE Cultural and Paleontological Resources Assessment for the Cannon and Serrano Intersection Widening Project TABLE OF CONTENTS SUMMARY OF FINDINGS .................................................................................................................................... IV INTRODUCTION ....................................................................................................................................................... 1 PURPOSE OF STUDY ........................................................................................................................................... 1 PROJECT LOCATION ......................................................................................................................................... 2 PROJECT DESCRIPTION ................................................................................................................................... 2 PROJECT AREA....................................................................................................................................................... 2 PROJECT PERSONNEL ...................................................................................................................................... 6 BACKGROUND .......................................................................................................................................................... 6 GEOLOGIC SETTING.......................................................................................................................................... 6 STRATIGRAPHY ....................................................................................................................................................... 7 PALEONTOLOGICAL SETTING....................................................................................................................... 8 ENVIRONMENTAL SETTING ......................................................................................................................... 10 LITERATURE REVIEW AND RECORD SEARCHES ....................................................................................... 10 PALEONTOLOGICAL RECORD AND LITERATURE SEARCHES .......................................................... 10 HOLOCENE AND PLEISTOCENE DEPOSITS ............................................................................................................. 11 SESPE AND VAQUEROS FORMATION ...................................................................................................................... 11 DEFINITION OF SIGNIFICANCE FOR PALEONTOLOGICAL RESOURCES ....................................... 12 CALIFORNIA HISTORIC RESOURCES INFORMATION SYSTEM ......................................................... 13 HISTORIC SOCIETY CONSULTATION ........................................................................................................ 16 NATIVE AMERICAN CONSULTATION ........................................................................................................ 16 SURVEY ..................................................................................................................................................................... 16 METHODS ............................................................................................................................................................ 16 RESULTS .............................................................................................................................................................. 17 IMPACT ANALYSIS ................................................................................................................................................ 19 PALEONTOLOGICAL SENSITIVITY ............................................................................................................. 19 CULTURAL SENSITIVITY ............................................................................................................................... 20 CONCLUSIONS AND RECOMMENDATIONS ................................................................................................... 20 PALEONTOLOGY .............................................................................................................................................. 20 CULTURAL .......................................................................................................................................................... 20 REFERENCES CITED ............................................................................................................................................. 22 APPENDIX A. QUALIFICATIONS....................................................................................................................... 26 APPENDIX B. PALEONTOLOGICAL RECORDS SEARCH ........................................................................... 31 APPENDIX C. NATIVE AMERICAN CONSULTATION .................................................................................. 34 APPENDIX D. PALEONTOLOGICAL SENSITIVITY RANKING CRITERIA ............................................. 46 Cogstone ii Cultural and Paleontological Resources Assessment for the Cannon and Serrano Intersection Widening Project LIST OF FIGURES FIGURE 1. PROJECT VICINITY MAP ............................................................................................................................ 1 FIGURE 2. PROJECT LOCATION ................................................................................................................................... 3 FIGURE 3. PROJECT AREA ........................................................................................................................................... 4 FIGURE 4. CONCEPTUAL SITE PLAN ............................................................................................................................ 5 FIGURE 5. PROJECT GEOLOGY .................................................................................................................................... 9 FIGURE 6. SOUTHEAST CORNER OF CANNON STREET TOWARDS SERRANO AVENUE, VIEW NORTH ..................... 17 FIGURE 7. NORTHWEST CORNER OF SERRANO AVENUE AND MOUNT MCKINLEY BOULEVARD, VIEW SOUTHWEST .............................................................................................................................................. 18 FIGURE 8. NORTH SIDE OF SERRANO AVENUE. REDDISH BROWN SESPE FORMATION SEDIMENTS ....................... 18 LIST OF TABLES TABLE 1. FOSSILS FROM THE SESPE-VAQUEROS FORMATION NEAR THE PROJECT ............................................... 12 TABLE 2. PREVIOUS CULTURAL STUDIES WITHIN ONE MILE OF PROJECT AREA .................................................. 13 TABLE 3. PREVIOUSLY RECORDED CULTURAL RESOURCES WITHIN ONE MILE OF PROJECT AREA .................... 14 TABLE 4. ADDITIONAL SOURCES CONSULTED .......................................................................................................... 15 TABLE 5. BLM LAND PATENTS ................................................................................................................................. 16 Cogstone iii Cultural and Paleontological Resources Assessment for the Cannon and Serrano Intersection Widening Project SUMMARY OF FINDINGS This study was conducted to determine the potential impacts to cultural and paleontological resources during the Cannon Street and Serrano Avenue Intersection Widening Project, City of Orange, California (Project). This memo report complies with the requirements of the California Environmental Quality Act (CEQA) with the City of Orange acting as lead agency. The proposed Project will add a second dedicated right turn lane on northbound Cannon Street to eastbound Serrano Avenue as well as relocate a portion of the northerly curb on the westbound side of Serrano Avenue to widen the existing right turn lane to Cannon Street. Project sediments include early Pleistocene to Holocene alluvial fans, and latest Oligocene to latest early Miocene undifferentiated Sespe-Vaqueros Formation sediments. Modern artificial fill is also likely present. The paleontological record search revealed six localities in the undifferentiated Sespe-Vaqueros Formation near the Project Area. Fossils of carnivore, skunk, rabbit, horse, peccary,
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