The following described state lands are hereby reserved from sale so long as the same shall be used for the purpose of an airport maintained by public authority.
All of lot seven (7) and the northeast quarter of the northeast quarter of the southwest quarter (NE1/4 NE1/4 SW1/4) of section sixteen (16), township sixteen (16) north, range twelve (12) east of the Boise Meridian; and that portion of lot four (4) of said section 16 described as follows: Beginning at the southwest (SW) corner of lot four (4); thence north six hundred and sixty feet (660 ft.); thence east to the western meander line of the Middle Fork of the Salmon River; thence southeast (SE) following said meander line to the southeast (SE) corner of lot four (4); thence west to the point of beginning, containing fifty (50) acres more or less.