Description: The Western boundary reflects the submerged lands act boundary available from BOEM.The Eastern boundary reflects NOAA's Continually Updated Shorline Product (CUSP).The Northern boundary refelects an extension of the San Diego County Boundary available from the SANDAG/SanGIS Regional Data Warehouse.The Southern boundary reflects the US Maritime Limits and Boundaries from NOAA as available on Marine Cadastre.Entrances to San Diego Bay, Mission Bay, and Oceanside Harbor were edited to reflect the COLREGS demarcation lines.Line extensions were made amongst utilized sources. The preliminary boundary is not intended to represent jurisdiction and is for cartographic and planning purposes only.