Some square miles can be constituted-of-or-filled-with tropical forest.
(Government troops) may capture some square kilometers of (guerrilla territory).
Some square kilometers can be constituted-of-or-filled-with (guerrilla territory).
Square kilometers can be constituted-of-or-filled-with (serb-held territory).
A square inch can be constituted-of-or-filled-with territory.
Some square kilometres can be constituted-of-or-filled-with terrain.
A (land surface) can be constituted-of-or-filled-with some square kilometers.
A room can be constituted-of-or-filled-with some square metres.