The authority granted in section 577c of this title shall be supplemental to the authority granted by existing Acts relating to the acquisition of lands for national-forest purposes and shall not be deemed as repealing any portions of those Acts except as provided hereinafter; and said supplemental authority granted by section 577c of this title, but not the authority granted by existing Acts, shall be confined to the following described areas in Cook, Lake, and Saint Louis Counties, State of Minnesota:

Township 63 north, range 2 west, fourth principal meridian, sections 5 to 8, inclusive.

Township 63 north, range 3 west, fourth principal meridian, sections 1 to 12, inclusive.

Township 63 north, ranges 4, 5, 6, 7 and 8 west, fourth principal meridian, entire townships.

Township 63 north, range 9 west, fourth principal meridian, south half section 19 and sections 20 to 36, inclusive.

Township 63 north, range 13 west, fourth principal meridian, section 6.

Township 63 north, range 14 west, fourth principal meridian, sections 1 to 12, inclusive, and 14 to 22, inclusive.

Township 63 north, range 15 west, fourth principal meridian, sections 1 to 24, inclusive.

Township 63 north, range 16 west, fourth principal meridian, sections 1 to 3 inclusive, 10 to 15, inclusive, and 22 to 24, inclusive.

Township 64 north, range 3 east, fourth principal meridian, south half section 7.

Township 64 north, range 2 east, fourth principal meridian, sections 1 to 12, inclusive.

Township 64 north, range 1 east, fourth principal meridian, sections 1 to 4, inclusive, south half section 7, sections 8 to 12, inclusive, 15 to 17, inclusive, and east half section 18.

Township 64 north, range 1 west, fourth principal meridian, sections 17 to 20, inclusive, and 29 to 32, inclusive.

Township 64 north, range 2 west, fourth principal meridian, sections 7 to 11, inclusive, and 13 to 36, inclusive.

Township 64 north, range 3 west, fourth principal meridian, sections 7 to 36, inclusive.

Township 64 north, range 4 west, fourth principal meridian, sections 6, 7, and 10 to 36, inclusive.

Township 64 north, ranges 5, 6, 7, and 8 west, fourth principal meridian, entire townships.

Township 64 north, range 9 west, fourth principal meridian, sections 1 to 24, inclusive.

Township 64 north, range 10 west, fourth principal meridian, sections 1 to 18, inclusive.

Township 64 north, range 11 west, fourth principal meridian, sections 1 to 4, inclusive, and 9 to 16, inclusive.

Township 64 north, range 13 west, fourth principal meridian, sections 5 to 8, inclusive, 15 to 22, inclusive, and 28 to 32, inclusive.

Township 64 north, range 14 west, fourth principal meridian, sections 6 to 36, inclusive.

Township 64 north, range 15 west, fourth principal meridian, sections 1 to 3, inclusive, and 10 to 36, inclusive.

Township 64 north, range 16 west, fourth principal meridian, sections 22 to 27, inclusive, and 34 to 36, inclusive.

Township 65 north, range 2 east, fourth principal meridian, entire township.

Township 65 north, range 1 east, fourth principal meridian, sections 19 to 30, inclusive, and 33 to 36, inclusive.

Township 65 north, range 1 west, fourth principal meridian, sections 19 to 30, inclusive.

Township 65 north, range 4 west, fourth principal meridian, sections 1 to 3, inclusive, 10 to 14, inclusive, and 31.

Township 65 north, range 5 west, fourth principal meridian, sections 6, 7, and 18 to 36, inclusive.

Township 65 north, ranges 6, 7, 8, 9, 10, and 11 west, fourth principal meridian, entire townships.

Township 65 north, range 12 west, fourth principal meridian, sections 1 to 17, inclusive, 20 to 27, inclusive, and 34 to 36, inclusive.

Township 65 north, range 13 west, fourth principal meridian, sections 1 to 3, inclusive, and 10 to 12, inclusive.

Township 65 north, range 14 west, fourth principal meridian, sections 18, 19, 30, and 31.

Township 65 north, range 15 west, fourth principal meridian, sections 13, 14, 23 to 26, inclusive, 35 to 36.

Township 66 north, range 4 west, fourth principal meridian, sections 3, 9, 16, 21, 22, 26 to 28, inclusive, and 33 to 36, inclusive.

Township 66 north, range 5 west, fourth principal meridian, sections 2, 8, 9, 16 to 20, inclusive, 30 and 31.

Township 66 north, range 6 west, fourth principal meridian, entire township.

Township 66 north, ranges 11, 12, and 13 west, fourth principal meridian, entire townships.

Township 66 north, range 14 west, fourth principal meridian, sections 1 to 28, inclusive, and 33 to 36, inclusive.

Township 66 north, range 15 west, fourth principal meridian, sections 1 to 17, inclusive, and 20 to 24, inclusive.

Township 66 north, range 16 west, fourth principal meridian, sections 1 to 5, inclusive, and 9 to 12, inclusive.

Township 67 north, ranges 13, 14, and 15 west, fourth principal meridian, entire townships.

Township 67 north, range 16 west, fourth principal meridian, sections 6 to 8, inclusive, 16 to 18, inclusive, 20, 21, 28, 29, and 32 to 34, inclusive.

Township 67 north, range 17 west, fourth principal meridian, those portions of sections 1, 12, and 13 east of Crane Lake.

Township 68 north, ranges 13, 14, 15, and 16 west, fourth principal meridian, entire townships.

Township 68 north, range 17 west, fourth principal meridian, that portion of section 36 east of Crane Lake.