2023 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2022 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2020 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2019 Washington Code 78.08.070

2018 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2016 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2015 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2014 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2013 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft

2009 Washington Code 78.08.070 – Cut, excavation, tunnel or test hole in lieu of discovery shaft