43 CFR § 8365.1-5 - Property and resources.
(1) Willfully deface, disturb, remove or destroy any personal property, or structures, or any scientific, cultural, archaeological or historic resource, natural object or area;
(2) Willfully deface, remove or destroy plants or their parts, soil, rocks or minerals, or cave resources, except as permitted under paragraph (b) or (c) of this paragraph; or
(b) Except on developed recreation sites and areas, or where otherwise prohibited and posted, it is permissible to collect from the public lands reasonable amounts of the following for noncommercial purposes:
(1) Commonly available renewable resources such as flowers, berries, nuts, seeds, cones and leaves;
(2) Nonrenewable resources such as rock and mineral specimens, common invertebrate and common plant fossils, and semiprecious gemstones;
(3) Petrified wood as provided under subpart 3622 of this title;
(4) Mineral materials as provided under subpart 3604; and
(c) The collection of renewable or nonrenewable resources from the public lands for sale or barter to commercial dealers may be done only after obtaining a contract or permit from an authorized officer in accordance with part 3600 or 5400 of this chapter.