2024 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2023 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2022 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2021 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2020 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2019 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2016 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2015 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2014 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2010 36 CFR 2.1 – Preservation of natural, cultural and archeological resources

2009 36 CFR 2.1 – Preservation of natural, cultural and archeological resources