Transactions entered into pursuant to Public Law 93-638, 88 Stat. 2203.
Under natural resource management programs, permits, licenses, exchanges, and other acquisitions of real property, rights-of-way, and easements.
Transactions concerning mineral patent claims entered into pursuant to 30 U.S.C. 22 et seq.; and
Water service contracts and repayments entered into pursuant to 43 U.S.C. 485.