Ala. Code § 9-17-62
The Commissioner of Conservation and Natural Resources, on behalf of the state, is hereby authorized to lease, upon such terms as he may approve, any lands or any right or any interest therein under any navigable streams or navigable waters, bays, estuaries, lagoons, bayous or lakes and the shores along any navigable waters to high tide mark and submerged lands in the Gulf of Mexico within the historic seaward boundary of this state, which is hereby declared to extend seaward six leagues from the land bordering the gulf, for the exploration, development and production of oil, gas and other minerals or any one or more of them, on, in and under such lands, and such lands or interests therein for such purposes shall be supervised and managed by the Department of Conservation and Natural Resources.
Ala. Code § 9-17-62 (1975)