Yes, the uranium claims are the highest and almost pure yellow cake. Little has to be done to the ore except to pull it out of the ground. Thanks to the low market price for the ore, the claims will just sit there for years. But the claims are safe and could come back to life if a nuclear arms race begins in the Middle East, which is likely, by the way.
As of December 11, 2011, the withdrawal area contains 3,156 mining claims that predate the publication of the Notice of Proposed Withdrawal on July 21, 2009. Withdrawals under section 204 of FLPMA must be made subject to valid existing rights, which means that new mineral exploration and development could still be authorized under the withdrawal on valid existing mining claims