The Secretary of Agriculture, to secure and protect for all time the big trees scientifically known as Sequoia washingtoniana, is empowered, in his discretion, to obtain for the United States the complete title to any or all of the following-described lands in the State of California: In township 4 north, range 15 east, Mount Diablo meridian, the northeast quarter of section 1; in township 4 north, range 16 east, Mount Diablo meridian, the north half of section 6; in township 5 north, range 15 east, Mount Diablo meridian, the southwest quarter of section 14, south half of section 15, north half of section 22, northwest quarter of section 23, and southeast quarter of section 36, and in township 5 north, range 16 east, Mount Diablo meridian, the west half of section 28, the east half and southwest quarter of section 29, the southeast quarter of section 30, all of sections 31, 32, and the northwest quarter of section 33. And such area or areas, as fast as complete title is acquired, shall be permanently held by the United States and shall be known as the Calaveras Bigtree National Forest and shall be administered, and protected, by the Secretary of Agriculture from the funds appropriated for the administration of National Forest land to prolong th