Sec. 138. 

Subject to the provisions of this Charter, the Board of Harbor Commissioners shall have the management, supervision and control:

(1)  Of all navigable waters and all tidelands and submerged lands, whether filled or unfilled, situated below the line of mean high tide northerly and easterly of the United States government breakwater at Los Angeles Harbor and within the limits of the City of Los Angeles;

(2)  Of all lands, and interests therein, acquired or purchased with funds under its control or acquired or purchased by it within the scope of its authority; and

(3)  Of all other lands placed under its management, supervision, and control by ordinance.

Whenever the Council, of its own motion, or upon the recommendation of the Board of Harbor Commissioners, determines that the needs, requirements or convenience of commerce, navigation or fishery would be furthered thereby, the Council by ordinance, shall have power to place other lands and waters under the management, supervision and control of the Board of Harbor Commissioners. The lands and waters, and interests therein, under the management, supervision and control of the Board of Harbor Commissioners shall be known as the Harbor District, and the provisions of this article shall apply to said District.  (Sec. Amended, 1949.)

Mineral rights were included in the grant of tidelands to the City of Los Angeles.

Miller v. Stockburger, 12 Cal. (2d) 440.