:That portion of Block 870, OCS Official Protraction Diagram, Mobile NH 16-4, which is more than three geographical miles seaward from the low water line off the coast of Mississippi and/or Alabama. | :That portion of Block 870, OCS Official Protraction Diagram, Mobile NH 16-4, which is more than three geographical miles seaward from the low water line off the coast of Mississippi and/or Alabama. |