2024 30 CFR 822.11 – Essential hydrologic functions

2023 30 CFR 822.11 – Essential hydrologic functions

2022 30 CFR 822.11 – Essential hydrologic functions

2021 30 CFR 822.11 – Essential hydrologic functions

2020 30 CFR 822.11 – Essential hydrologic functions

2019 30 CFR 822.11 – Essential hydrologic functions

2016 30 CFR 822.11 – Essential hydrologic functions

2015 30 CFR 822.11 – Essential hydrologic functions

2014 30 CFR 822.11 – Essential hydrologic functions

2010 30 CFR 822.11 – Essential hydrologic functions

2009 30 CFR 822.11 – Essential hydrologic functions