43 C.F.R. § 3836.11 What are the general requirements for performing assessment work?
Title 43 - Public Lands: Interior
(a) Beginning in the assessment year that begins after you locate your mining claim, you must expend $100 in labor or improvements for each claim for each assessment year preceding the date on which you file for a small miner waiver. (b) You may perform assessment work on: (1) Each individual claim; (2) One or more claims in a group of contiguous lode or placer claims that you own or hold an interest in and that cover the same mineral deposit; or (3) Adjacent or nearby lands if the work supports development of the minerals on the claim(s). (c) Your total expenditure must equal at least $100 per claim.
Title 43: Public Lands: Interior
PART 3836—ANNUAL ASSESSMENT WORK REQUIREMENTS FOR MINING CLAIMS
Subpart A—Performing Assessment Work
§ 3836.11 What are the general requirements for performing assessment work?
