2024 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2023 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2022 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2021 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2020 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2019 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2016 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2015 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2014 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2010 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications

2009 30 CFR 77.105 – Qualified hoistman; slope or shaft sinking operation; qualifications