2023 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2022 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2020 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2019 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2018 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2016 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2015 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2014 Washington Code > Chapter 78.12 – Abandoned shafts and excavations

2013 Washington Code > Chapter 78.12 – Abandoned shafts and excavations