Cal. Gov. Code § 25584

The resolution shall be published pursuant to Section 6063 in a newspaper of general circulation in the county printed and published nearest to the park all or a portion of which is proposed to be abandoned and in the newspaper of greatest circulation in the county if that newspaper is not the one printed and published nearest to such park. Not less than four copies of the resolution shall be posted conspicuously not more than 100 feet apart at the point where any public highway or highways or park road or roads providing access into or through such park across the park boundaries and along the route of such highways or roads within the park boundaries.