2024 43 CFR 28.1 – Purpose

2023 43 CFR 28.1 – Purpose

2022 43 CFR 28.1 – Purpose

2020 43 CFR 28.1 – Purpose

2019 43 CFR 28.1 – Purpose

2016 43 CFR 28.1 – Purpose

2015 43 CFR 28.1 – Purpose

2014 43 CFR 28.1 – Purpose