2024 36 CFR 212.81 – Over-snow vehicle use

2023 36 CFR 212.81 – Over-snow vehicle use

2022 36 CFR 212.81 – Over-snow vehicle use

2021 36 CFR 212.81 – Over-snow vehicle use

2020 36 CFR 212.81 – Over-snow vehicle use

2019 36 CFR 212.81 – Over-snow vehicle use

2016 36 CFR 212.81 – Over-snow vehicle use

2015 36 CFR 212.81 – Over-snow vehicle use

2014 36 CFR 212.81 – Use by over-snow vehicles