2023 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing

2022 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt–Investigation, audit of books of person removing

2020 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing

2019 Washington Code 79.140.170

2018 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing

2016 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt–Investigation, audit of books of person removing

2015 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt–Investigation, audit of books of person removing

2014 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing

2013 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing

2009 Washington Code 79.140.170 – Sale of rock, gravel, sand, and silt — Investigation, audit of books of person removing