Regulations last checked for updates: Feb 11, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
§ 3864.1-4 - Proof of nonmineral character.

In every case there must be satisfactory proof that the land claimed as a millsite is not mineral in character, which proof may, where the matter is unquestioned, consist of the statement of two or more persons capable, from acquaintance with the land to testify understandingly.

authority: 30 U.S.C. 22
cite as: 43 CFR 3864.1-4