Said bonds and interest thereon, and all payments due or to become due the ensuing year to the United States under any contract between the district and the United States, accompanying which bonds of the district have not been deposited with the United States shall be paid, by revenue derived from an annual assessment upon the real property of the district, and the real property of the district shall be made and remain liable to be assessed for such payments as herein provided. Public lands of the United States within any district shall be subject to taxation for all purposes of this chapter to the extent provided by the act of congress approved August 11, 1916, upon full compliance therewith by the district.