43 CFR 3503.10: Are all Federal lands available for leasing under this part?

No. The Secretary of the Interior may not lease lands on any of the following Federal areas:

(a) Land recommended for wilderness allocation by the surface managing agency;

(b) Lands within BLM wilderness study areas;

(c) Lands designated by Congress as wilderness areas; and

(d) Lands within areas allocated for wilderness or further planning in Executive Communication 1504, Ninety-Sixth Congress (House Document Number 96-119), unless such lands are allocated to uses other than wilderness by a land and resource management plan or have been released to uses other than wilderness by an act of Congress.