36 C.F.R. § 228.42
For the purposes of this subject, the following terms are defined:
Acquired National Forest lands. National Forest System lands acquired under the Weeks Act of March 1, 1911 (36 Stat. 961), and National Forest System lands with Weeks Act status as provided in the Act of September 2, 1958 (16 U.S.C. 521a ).
Authorized officer. Any Forest Service officer to whom authority for disposal of mineral materials has been delegated.
Common-use area. Generally, a broad geographic area from which nonexclusive disposals of mineral materials available on the surface may be made to low volume and/or noncommercial users.
Community site. A site noted on appropriate Forest records and posted on the ground from which nonexclusive disposals of mineral materials may be made to low volume and/or noncommercial users.
Contract. A signed legal agreement between the Forest Service and a purchaser of mineral materials, which specifies (among other things) the conditions of a competitive, negotiated, or preference right sale of mineral materials to the purchaser.
Mineral materials. A collective term used throughout this subpart to describe petrified wood and common varieties of sand, gravel, stone, pumice, pumicite, cinders, clay, and other similar materials. Common varieties do not include deposits of those materials which are valuable because of some property giving them distinct and special value, nor do they include "so-called 'block pumice' " which occurs in nature in pieces having one dimension of two inches or more and which is valuable and used for some application that requires such dimensions.
Permit. A signed legal document between the Forest Service and one who is authorized to remove mineral materials free of charge, which specifies (among other things) the conditions of removal by the permittee.
Preference right negotiated sale. A negotiated sale which may be awarded in response to the finding and demonstration of a suitable deposit of mineral material on acquired National Forest lands as the result of exploratory activity conducted under the authority of a prospecting permit.
Prospecting permit. A written instrument issued by the Forest Service which authorizes prospecting for a mineral material deposit on acquired National Forest lands within specific areas, under stipulated conditions, and for a specified period of time.
Single entry source. A source of mineral materials which is expected to be depleted under a single contract or permit or which is reserved for Forest Service use.
Unpatented mining claim. A lode or placer mining claim or a millsite located under the General Mining Law of 1872, as amended (30 U.S.C. 21-54 ), for which a patent under 30 U.S.C. 29 and regulations of the Department of the Interior has not been issued.
Withdrawn National Forest lands. National Forest System lands segregated or otherwise withheld from settlement, sale, location, or entry under some or all of all of the general land laws (43 U.S.C. 1714 ).
36 C.F.R. §228.42