There is authorized to be appropriated $16,500,000 for the purposes of this subchapter, of which $10,000,000 shall be available for land acquisition in the national monument; $1 million shall be available for development within the national monument; $4 million shall be available for land acquisition within the conservation area; $1 million shall be available for development within the conservation area; and $500,000 shall be available for planning and development of the Masau Trail.