43 CFR 3201.11 - What lands are not available for geothermal leasing?
BLM will not issue leases for:
(b) Lands contained within a unit of the National Park System, or otherwise administered by the National Park Service;
(c) Lands within a National Recreation Area;
(d) Lands where the Secretary determines after notice and comment that geothermal operations, including exploration, development or utilization of lands, are reasonably likely to result in a significant adverse effect on a significant thermal feature within a unit of the National Park System;
(e) Fish hatcheries or wildlife management areas administered by the Secretary;
(f) Indian trust or restricted lands within or outside the boundaries of Indian reservations;
(g) The Island Park Geothermal Area; and
(1) Wilderness areas or wilderness study areas administered by BLM or other surface management agencies;
(2) Lands designated by Congress as wilderness study areas, except where the statute designating the study area specifically allows leasing to continue; and
(3) Lands within areas allocated for wilderness or further planning in Executive Communication 1504, Ninety-Sixth Congress (House Document 96-119), unless such lands are allocated to uses other than wilderness by a land and resource management plan or are released to uses other than wilderness by an Act of Congress.