2024 43 CFR 3592.2 – Maps of underground workings and surface operations

2023 43 CFR 3592.2 – Maps of underground workings and surface operations

2022 43 CFR 3592.2 – Maps of underground workings and surface operations

2020 43 CFR 3592.2 – Maps of underground workings and surface operations

2019 43 CFR 3592.2 – Maps of underground workings and surface operations

2016 43 CFR 3592.2 – Maps of underground workings and surface operations

2015 43 CFR 3592.2 – Maps of underground workings and surface operations

2014 43 CFR 3592.2 – Maps of underground workings and surface operations

2010 43 CFR 3592.2 – Maps of underground workings and surface operations

2009 43 CFR 3592.2 – Maps of underground workings and surface operations