Versions of See prior versions of a law on LawServer 2023 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula 2022 Washington Code 81.88.070 – Prevention of third-party excavation damage–Development and distribution of training curricula 2020 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula 2019 Washington Code 81.88.070 2018 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula 2016 Washington Code 81.88.070 – Prevention of third-party excavation damage–Development and distribution of training curricula 2015 Washington Code 81.88.070 – Prevention of third-party excavation damage–Development and distribution of training curricula 2014 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula 2013 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula 2009 Washington Code 81.88.070 – Prevention of third-party excavation damage — Development and distribution of training curricula
