2024 33 CFR 117.5 – When the drawbridge must open

2023 33 CFR 117.5 – When the drawbridge must open

2022 33 CFR 117.5 – When the drawbridge must open

2021 33 CFR 117.5 – When the drawbridge must open

2020 33 CFR 117.5 – When the drawbridge must open

2019 33 CFR 117.5 – When the drawbridge must open

2016 33 CFR 117.5 – When the drawbridge must open

2015 33 CFR 117.5 – When the drawbridge must open

2014 33 CFR 117.5 – When the drawbridge must open

2010 33 CFR 117.5 – When the drawbridge must open