Public Resources Code § 3924
CHAPTER 1. Manner of Locating Mining Claims, Tunnel Rights, and Millsites
Whenever any mining district in this state, organized or created under the laws of the United States, is dissolved, the officers or custodians of the records of the mining district shall deposit with the county recorder of the county, in which the district is located, all records of location notices or other documents affecting titles to mining claims in the mining district, shown by the records of the district.
County recorders of the counties shall accept any location notices and other documents affecting title to mining claims of dissolved mining districts. Thereafter all notices and documents shall be open for public inspection.