8. Modes of alienation

Any State land that is alienated or otherwise disposed of, or in respect of which a lease or licence to occupy is issued, under this Act may be alienated, leased or licensed —

as a parcel of the surface earth, so much of the subterranean space below and so much of the column of airspace above the surface as is reasonably necessary for the use and enjoyment of the land;

as a parcel of airspace or subterranean space, whether or not held apart from the surface of the earth; or

only down to such depth below the surface earth as the President may by order direct.[3A