Public land mining claim fees and waivers are due to the Bureau of Land Management by September 1, 2020. Claimants who wish to retain their existing mining claims on federal public lands through the 2021 assessment year must pay a maintenance fee or file a Maintenance Fee Waiver Certification (Small Miner’s Waiver). The deadline is September 1 to prevent the mining claim from being declared forfeit and void. All details are listed at the link below:
https://www.blm.gov/press-release/public-land-mining-claim-fees-and-waivers-are-due-blm-september-1