Work With Us
CoreStone Archaeology, LLC
Woman-Owned Cultural Resource Consulting Firm
La Honda, CA | Serving Clients Statewide
Contact
Katherine Sinsky, RPA
President & Principal Investigator
info@corestonearchaeology.com
650-402-0233 | 760-207-4242
PO Box 160, La Honda, CA 94020
www.corestonearchaeology.com
Core Services
Cultural Resource Surveys
Pedestrian, reconnaissance, and subsurface surveys
CEQA and Section 106-compliant field documentation
Archival & Records Research
Background research, CHRIS/NWIC requests
Historic land use mapping and sensitivity modeling
Tribal Consultation Support
AB 52, SB 18, SLF requests, and NAHC correspondence
Facilitation of meaningful government-to-government communication
Construction Monitoring & Mitigation
Archaeological monitoring plans and WEAP training
On-site monitoring and mitigation compliance
Site Recording & Evaluation
DPR 523 forms, NRHP and CRHR eligibility evaluations
Effects analysis and formal significance assessments
GIS Mapping & Predictive Modeling
Geospatial analysis and visualization
Photogrammetry and digital site documentation
Data Recovery & Mitigation
Excavation and mitigation planning when avoidance is not feasible
Compliance Documentation
ASRs, HPSRs, HRERs, CRARs, EIR/EIS support
Agency-ready reports for federal, state, and local requirements
Company Snapshot
CAGE Code: 11VC6
UEI: NGTXLHV52ZC1
California DGS SB/Micro and SB-PW: #2045099
WOSB & CPUC Certifications: Pending
RPA: #4668
SOI Qualified in Archaeology
Service Area: California (Statewide)
NAICS
541620 – Environmental Consulting
541690 – Other Scientific & Technical Consulting
712120 – Historical Sites
UNSPSC 81151705 – Archaeological Services
SIC 87330201 – Archaeological Expeditions