2023 Washington Code 78.12.010 – Shafts, excavations to be fenced

2022 Washington Code 78.12.010 – Shafts, excavations to be fenced

2020 Washington Code 78.12.010 – Shafts, excavations to be fenced

2019 Washington Code 78.12.010

2018 Washington Code 78.12.010 – Shafts, excavations to be fenced

2016 Washington Code 78.12.010 – Shafts, excavations to be fenced

2015 Washington Code 78.12.010 – Shafts, excavations to be fenced

2014 Washington Code 78.12.010 – Shafts, excavations to be fenced

2013 Washington Code 78.12.010 – Shafts, excavations to be fenced

2009 Washington Code 78.12.010 – Shafts, excavations to be fenced