There is authorized to be appropriated to the Department of the Interior $600,000, through the end of fiscal year 1990, in addition to any other funds now available to the Department to discharge its duties to implement sections
1600b to
1600k of this title and section
4029 of title
42: Provided, That by mutual agreement, such funds shall be made available to the Federal Emergency Management Agency to discharge its duties under section
4029 of title
42: Provided further, That the provisions of sections
1600d and
1600e of this title shall not be affected by this section: And Provided further, in addition, Indian tribes may be eligible under Public Law 93–638 [
25 U.S.C.
450 et seq.] to contract for studies of Indian lands required under the provisions of this chapter.