HISTORIC RESOURCES ASSESSMENT FOR ±20.03 ACRES LOCATED ALONG CAJON BOULEVARD, COUNTY OF SAN BERNARDINO, CALIFORNIA Devore, CA USGS 7.5-Minute Topographic Quadrangle Map Interpolated Section 2 within Rancho San Bernardino, Township 1 North, Range 5 West Prepared on Behalf of: David Ornelas Senior Project Manager T&B Planning, Inc. (619) 501-6041 x102 Prepared For: County of San Bernardino, Planning Department 385 N. Arrowhead Avenue San Bernardino, CA 92415 909-387-8311 Prepared By: L&L Environmental, Inc. in Collaboration with CGC & Provenience Group Anna Hoover, M.S., RPA, Prin. Investigator [email protected] Carole Denardo, M.A., Architectural Historian [email protected] Leslie Nay Irish, Principal Project Manager [email protected] Fieldwork Completed By: Shannon Smith & Carole Denardo Fieldwork Date: March 8, 2018, May 19, 2018 Report Date: May 30, 2018 Keywords: ±20 Acres, Historic Route 66 (P-36-002910), Cajon Boulevard, Boulder Dam-San Bernardino Transmission Line (P- 36-010315), BNSF (AT&SF) Rail line (P-36-006793), Rancho Muscupiabe, Serrano, Cahuilla, Gabrielino, Muscupiabit, Apuritaimbit,Devore, CA 7.5-minute topographic quadrangle \\DARWIN\Shared Folders\Server Project Files\UNIFIED PROJECTS\TB-17-606 Cajon Blvd\2018 ARS\Report\TB-17-R606.ARS-HA.RTC (final without numbers).doc Celebrating 20+ Years of Service to Southern CA and the Great Basin, WBE Certified (Caltrans, CPUC, WBENC) Mailing Address: 700 East Redlands Blvd, Suite U, PMB#351, Redlands CA 92373 Delivery Address: 721 Nevada Street, Suite 307, Redlands, CA 92373 Webpage: llenviroinc.com | Phone: 909-335-9897 | FAX: 909-335-9893 Historic Resources Assessment Cajon Boulevard Project, County of San Bernardino, CA May 2018 TABLE OF CONTENTS MANAGEMENT SUMMARY ...................................................................................................... iii 1.0) INTRODUCTION AND ENVIRONMENTAL SETTING ........................................................ 1 1.1) Introduction ..................................................................................................................... 1 1.2) Project Location ............................................................................................................... 1 1.3) Project Description .......................................................................................................... 5 1.4) Cultural Resources Staff .................................................................................................. 5 1.5) Environmental Setting ..................................................................................................... 5 1.5.1) Existing Land Use/Topography/Geology ................................................................... 5 1.5.2) Water Resources ...................................................................................................... 7 1.5.3) Vegetation ................................................................................................................. 7 2.0) CULTURAL SETTING ........................................................................................................ 9 2.1) Prehistoric & Ethnographic Setting .................................................................................. 9 2.2) Historic Setting ................................................................................................................ 9 2.2.1) Spanish Period (1769 to 1821) .................................................................................. 9 2.2.2) Mexican Period (1821 to 1848) ................................................................................10 2.2.3) American Period (1848 to Present) ..........................................................................11 2.2.4) Energy and the Growth in the West..........................................................................12 2.2.5) Transportation in Northern San Bernardino ..............................................................13 3.0) REGULATORY SETTING .................................................................................................16 3.1) Regulatory Setting ..........................................................................................................16 3.1.1) Federal Significance Criteria ....................................................................................17 3.1.2) State Significance Criteria ........................................................................................18 3.1.3) Local Regulations ....................................................................................................19 4.0) METHODS .........................................................................................................................25 4.1) Methods .........................................................................................................................25 4.1.1) Records Search .......................................................................................................25 4.1.2) Historic Records Review & Research .......................................................................26 4.1.3) Native American Coordination ..................................................................................26 4.1.4) Pedestrian Survey and Site Visits ............................................................................26 4.1.5) Documentation of Historic Resources ......................................................................26 5.0) RESULTS ..........................................................................................................................27 5.1) Records Search ..............................................................................................................27 5.2) Historic Records Review ................................................................................................30 5.3) Native American Coordination ........................................................................................31 5.4) Pedestrian Survey ..........................................................................................................32 5.5) Resources Located in the Project Area ..........................................................................32 5.5.1) Cajon Historic-1 .......................................................................................................33 5.5.2) Cajon Isolate-1 .........................................................................................................36 5.5.3) Cajon Isolate-2 .........................................................................................................36 5.5.4) Cajon Isolate-3 .........................................................................................................37 5.5.5) P-36-010315 Boulder Dam-San Bernardino Transmission Line ...............................37 5.5.6) P-36-002910 Route 66 .............................................................................................39 6.0) ELIGIBILITY RECOMMENDATION AND PROJECT IMPACTS .......................................44 6.1) Eligibility Recommendations ...........................................................................................44 6.1.1) Cajon Historic-1 .......................................................................................................45 TB-17-606.ARS.HA i L&L Historic Resources Assessment Cajon Boulevard Project, County of San Bernardino, CA May 2018 6.1.2) Cajon Isolate -1 ........................................................................................................47 6.1.3) Cajon Isolate -2 ........................................................................................................47 6.1.4) Cajon Isolate -3 ........................................................................................................47 6.1.5) P-36-010315 Boulder Dam-San Bernardino Transmission Line ...............................47 6.1.6) P-36-002910 Route 66 .............................................................................................49 6.2) Project Impacts & Recommendations .............................................................................54 6.2.1) Cajon Historic-1 .......................................................................................................54 6.2.1) Cajon Isolates -1, -2, -3 ............................................................................................54 6.2.5) P-36-010315 Boulder Dam-San Bernardino Transmission Line ...............................54 6.2.6) P-36-002910 Route 66 .............................................................................................57 7.0) SUMMARY AND PROPOSED MITIGATION .....................................................................59 7.1) Summary ........................................................................................................................59 7.2) Proposed Mitigation Measures .......................................................................................60 7.3) Unanticipated Discovery of Human Remains ..................................................................63 8.0) REFERENCES CITED .......................................................................................................64 9.0) CERTIFICATION ...............................................................................................................69 LIST OF FIGURES Figure 1. Project Vicinity Map ....................................................................................................