Cal. Pub. Resources Code § 5021
The department shall consider all recommendations for registration made by the commission, and shall register, as state historical landmarks, those buildings, structures, sites, or places which the department deems to be important historical resources and shall register, as points of historical interest, those buildings, structures, sites, or places which the department deems to be historical resources of sufficient historical interest to qualify for the placement of signs pursuant to Section 5022.5. The commission shall maintain a register which shall identify by number and description such historical landmarks and points of historical interest.
The department may publish results of office and field archaeological investigation annually and shall issue additional publications, such as detailed site reports and area resource reports, as necessary, to inform the public and educational institutions.
Ca. Pub. Res. Code § 5021