Section 3601.3 - Authority(a) BLM's authority to dispose of sand, gravel, and other mineral and vegetative materials that are not subject to mineral leasing or location under the mining laws is the Act of July 31, 1947, as amended (30 U.S.C. 601 et seq.), commonly referred to as the Materials Act. This authority applies to sale and free use of these materials. BLM's authority to allow removal of limited quantities of petrified wood from public lands without charge is section 2 of the Act of September 28, 1962 (Pub. L. 87-713 , 76 Stat. 652).(b) Section 302 of the Federal Land Policy and Management Act of 1976 (FLPMA) (43 U.S.C. 1732 ) provides the general authority for BLM to manage the use, occupancy, and development of the public lands under the principles of multiple use and sustained yield in accordance with the land use plans that BLM develops under FLPMA.(c) Section 304 of FLPMA (43 U.S.C. 1734 ) and the Independent Offices Appropriation Act of 1952 (31 U.S.C. 9701 ) authorize the U.S. Government to collect fees and to require reimbursement of its costs.