Effective October 1, 1979, and to such extent and in such amounts as are provided in advance in appropriate ¹ Acts, in order to provide measures determined by the Secretary of the Interior to be appropriated to mitigate loss of fish and wildlife habitat associated with other measures taken under this subchapter:

(a) Appropriation of funds; acquisition and disposal of lands; facilities undertakings; funds restriction for non-Federal facilities
The Secretary is authorized to—

(1) acquire lands by purchase, eminent domain, or exchange;

(2) dispose of land, facilities, and equipment;

(3) construct, operate, maintain, and make replacements of facilities: Provided, however, That no funds will be provided for operation, maintenance, or replacement of non-Federal facilities.

(b) Nonreimbursable costs
All costs authorized by this section are nonreimbursable.