2024 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2023 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2022 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2020 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2019 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2016 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2015 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2014 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2010 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas

2009 43 CFR 3141.2 – Prelease exploration within Special Tar Sand Areas