Whenever the United States shall cease to hold and use any uplands for the use and purposes mentioned in RCW 79.125.760, or shall cease to use any tidelands or shorelands for the purpose mentioned in RCW 79.125.780, the grant or easement of the tidelands or shorelands shall be terminated, and the tidelands or shorelands shall revert to the state without resort to any court or tribunal.