43 C.F.R. § 3836.12 What work qualifies as assessment work?
Title 43 - Public Lands: Interior
Assessment work includes, but is not limited to— (a) Drilling, excavations, driving shafts and tunnels, sampling (geochemical or bulk), road construction on or for the benefit of the mining claim; and (b) Geological, geochemical, and geophysical surveys.
Title 43: Public Lands: Interior
PART 3836—ANNUAL ASSESSMENT WORK REQUIREMENTS FOR MINING CLAIMS
Subpart A—Performing Assessment Work
§ 3836.12 What work qualifies as assessment work?