(a) Acquisition of lands
There are hereby authorized to be appropriated an amount not to exceed $5,000,000 for the acquisition of land, interests in land, or structures within the national recreation area and on the mainland as needed for access and administrative facilities.

(b) Other purposes
In addition to the amounts authorized to be appropriated under subsection (a), there are authorized to be appropriated not more than $5,000,000 for development to carry out the other purposes of this subchapter.