§ 554. Lands subject to chapter

The acts authorized in section 553 of this title may be performed—

• (a) on lands owned or controlled by the United States or any of its agencies, with the cooperation of the agency having jurisdiction thereof; and
• (b) on any other lands, upon obtaining proper consent or the necessary rights or interests in such lands: Provided, however , That expenditure of Federal funds for this purpose in any privately owned operating coal mine shall be limited to the acts authorized in section 553(a) of this title .