Public Law 99-606: Approved November 11, 1986 (100 Stat 3457),
provided current authorization for withdrawals for several bases,
included the portion of Nellis Air Force Range which overlaps part of the refuge. The Act provided that the withdrawal did not affect the status of the refuge, and required all military activities to be in accordance with a Memorandum of Agreement between the Department and the military services. The Department of Defense was required to prepare new environmental impact statements on the military uses of the land. The
portion of the refuge covered was also withdrawn from all forms of appropriation under the mining, mineral leasing and geothermal leasing laws.