43 C.F.R. § 3863.1-2 Proof of improvements for patent.
Title 43 - Public Lands: Interior
The proof of improvements must show their value to be not less than $500 and that they were made by the applicant for patent or his grantors. This proof should consist of the statement of two or more disinterested witnesses.
Title 43: Public Lands: Interior
PART 3860—MINERAL PATENT APPLICATIONS
Subpart 3863—Placer Mining Claim Patent Applications
§ 3863.1-2 Proof of improvements for patent.
