43 CFR § 3800.6
Am I required to pay any fees to use the surface of public lands for mining purposes?
June 11, 2020
You must pay all processing fees, location fees, and maintenance fees specified in 43 CFR parts 3800 and 3830. Other than the processing, location and maintenance fees, you are not required to pay any other fees to the BLM to use the surface of public lands for mining purposes.
[73 FR 73794, Dec. 4, 2008]