[Code of Federal Regulations] [Title 43, Volume 2] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR3600] [Page 708] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3600_MINERAL MATERIALS DISPOSAL--Table of Contents Subpart 3601_3601 Mineral Materials Disposal; General Provisions Sec. 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: (1) You use a minimal amount of mineral materials for your own personal use; (2) You have statutory authority to use the mineral materials; or (3) You have other express authority to use the mineral materials.