54 ( jacent islands, and all artifically-made, filled in or reclaimed lands which formerly were lands beneath navigable bedies of water; (2) ‘navigable bodies of water and submerged lands underiying the same in and around the island of Puerto Rico and the adjacent islands azul waters’ extend fromthe coast line of the island of Puerto Rico and the adjacent islands as heretofore or hereafter modified by accretion, e70- sion or reliction, seaward to a distance of three marine leagues; (3) ‘control’ includes all right, title and interest in and to and jurisdiction and authority over the submerged lands underlying the harborarcas and navigable streams and bodies of water in and around the island of Puerto Rico and the adjacent islands and waters, and the natural re- sources underlying such submerged lands and waters, and includes proprietary rights of ownership, and the rights of management, aiministration, léasing, use and development of such natural resources Land submerged lands beneath such waters. . O erm Co