Pub. L. 103-433, tit. VIII, sec. 811
IMMUNITY OF UNITED STATES.
SEC. 811. IMMUNITY OF UNITED STATES. The United States and all departments or agencies thereof shall be held harmless and shall not be liable for any injury or damage to persons or property suffered in the course of any geothermal leasing or other authorized nonmilitary activity conducted on lands described in section 802 of this title.