Search and rescue operations

The Secretary of the Interior or the Secretary of Agriculture may not impede, prohibit, or restrict activities of the Department of Homeland Security on covered Federal land located within 100 miles of the southern border or northern border— (1) to execute search and rescue operations; or (2) to prevent unlawful entries into the United States, including entries through the southern border or northern border— (A) by terrorists and other unlawful aliens; and (B) of instruments of terrorism, narcotics, and other contraband.