2023 Washington Code 77.55.091 – Small scale prospecting and mining — Rules

2022 Washington Code 77.55.091 – Small scale prospecting and mining–Rules

2020 Washington Code 77.55.091 – Small scale prospecting and mining — Rules

2019 Washington Code 77.55.091

2018 Washington Code 77.55.091 – Small scale prospecting and mining — Rules

2016 Washington Code 77.55.091 – Small scale prospecting and mining–Rules

2015 Washington Code 77.55.091 – Small scale prospecting and mining–Rules

2014 Washington Code 77.55.091 – Small scale prospecting and mining — Rules

2013 Washington Code 77.55.091 – Small scale prospecting and mining — Rules

2009 Washington Code 77.55.091 – Small scale prospecting and mining — Rules