43 C.F.R. § 3862.3-3 Corroborative proof required.
Title 43 - Public Lands: Interior
The claimant should support his narrative of facts relative to his possession, occupancy, and improvements by corroborative testimony of any disinterested person or persons of credibility who may be cognizant of the facts in the case and are capable of testifying understandingly in the premises.
Title 43: Public Lands: Interior
PART 3860—MINERAL PATENT APPLICATIONS
Subpart 3862—Lode Mining Claim Patent Applications
§ 3862.3-3 Corroborative proof required.