2024 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2023 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2022 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2021 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2020 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2019 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2016 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2015 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2014 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2010 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States
2009 36 CFR 251.15 – Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States