Cal. Civ. Proc. Code § 854

The notice shall be served in the manner provided by law for the service of a summons in a civil action, but where service is by publication, the publication shall be in a newspaper of general circulation published in the county in which the mine or mining claim is situated or if there is no such newspaper, in such a newspaper in an adjoining county, and the publication shall be at least once a week for 90 days.