43 CFR 3601.71 - What constitutes unauthorized use?
(a) Except as provided in paragraph (b) of this section, you must not extract, sever, or remove mineral materials from public lands under the jurisdiction of the Department of the Interior, unless BLM or another Federal agency with jurisdiction authorizes the removal by sale or permit. Violation of this prohibition constitutes unauthorized use.
(b) If you own the surface estate of lands with reserved Federal minerals, you may use mineral materials within the boundaries of your surface estate without a sales contract or permit only in the following circumstances:
Title 43 published on 2013-10-01
no entries appear in the Federal Register after this date.