2024 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2023 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2022 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2019 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2018 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2016 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2014 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2011 Texas Natural Resources Code 134.100 – Proximity of Mine to Underground Mines: Exception

2009 Texas Natural Resources Code 134.100 – Proximity of Mine To Underground Mines: Exception

2008 Texas Natural Resources Code 134.100 – Proximity Of Mine To Underground Mines: Exception