2024 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2023 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2022 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2021 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2020 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2019 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2016 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2015 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2014 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2010 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units

2009 30 CFR 77.1909 – Explosives and blasting; use of permissible explosives and shot-firing units