2024 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2023 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2020 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2018 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2016 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2015 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2014 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2013 Ohio Code 1513.072 – Administrative rules for coal exploration operations

2009 Ohio Code 1513.072 – Administrative rules for coal exploration operations