the trail described in subparagraph (A). (C) Completion date The study shall be completed not later than one year after the date of the enactment of this paragraph. . (c) Authorization of appropriations There is authorized $5,000,000 for purposes of this Act. (d) Date of enactment of designation Subsection (a) shall be enacted upon the date that the study required by the amendment made in subsection (b) has been submitted to Congress.