Public Resources Code § 6803
ARTICLE 1. Provisions Relating to All State Lands
The commission, in issuing any lease under this chapter, may reserve to the State the right to lease, sell, or otherwise dispose of the surface of the lands embraced within the lease, in so far as the surface is not required by the lessee. If such a reservation is to be made, however, it shall be so determined before the offering of the lease.