2024 Ohio Code 1513.35 – Permit requirements for underground coal mining

2023 Ohio Code 1513.35 – Permit requirements for underground coal mining

2020 Ohio Code 1513.35 – Permit requirements for underground coal mining

2018 Ohio Code 1513.35 – Permit requirements for underground coal mining

2016 Ohio Code 1513.35 – Permit requirements for underground coal mining

2015 Ohio Code 1513.35 – Permit requirements for underground coal mining

2014 Ohio Code 1513.35 – Permit requirements for underground coal mining

2013 Ohio Code 1513.35 – Permit requirements for underground coal mining

2009 Ohio Code 1513.35 – Permit requirements for underground coal mining