Versions of 43 CFR Part 3100 - Oil and Gas Leasing on LawServer 2024 43 CFR Part 3100 – Oil and Gas Leasing 2023 43 CFR PART 3100 – OIL AND GAS LEASING 2022 43 CFR Part 3100 – Oil and Gas Leasing 2020 43 CFR Part 3100 – Oil and Gas Leasing